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Showing results for "sampling".

41. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.pdf
    January 01, 2002 - Hospital Sampling Frame The 2002 NIS sampling frame included data provided by 35 HCUP State Partners … sampling weights. … The NIS team considered alternative stratified sampling allocation schemes. … for hospital-level sampling weights. … The sampling design was a stratified, single-stage cluster sample.

42. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.pdf
    January 01, 2001 - Hospital Sampling Frame The 2001 NIS sampling frame included data provided by 33 HCUP State Partners … sampling weights. … The NIS team considered alternative stratified sampling allocation schemes. … of hospital-level sampling weights. … The sampling design was a stratified, single-stage cluster sample.

43. Nis Sources And Restrictions 2000 (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/NIS_Sources_and_Restrictions_2000.pdf
    January 01, 2000 - Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in sampling … • In the 2000 NIS, 2 out of 150 hospitals needed to be dropped from the sampling frame. … Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in the sampling … Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in sampling … Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in sampling

44. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report_Edited_012506.pdf
    January 01, 2003 - Hospital Sampling Frame The 2003 NIS sampling frame included data provided by 37 HCUP State Partners … hospital-level sampling weights. … The NIS team considered alternative stratified sampling allocation schemes. … Change to Hospital Sampling Procedure Beginning with the 1998 NIS Beginning with the 1998 NIS sampling … for hospital-level sampling weights.

45. HCUP Nationwide Inpatient Sample Design Report 1997
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.jsp
    January 01, 1997 - Stratum-Specific Sampling Rates the Same (P 2 = P 1 ). … Stratum-Specific Sampling Rate Decreased (P 2 < P 1 ). … Stratum-Specific Sampling Rate Increased (P 2 > P 1 ). … Discharge-Level Sampling Weights The calculations for discharge-level sampling weights were very similar … to the calculations of hospital-level sampling weights.

46. HCUP Nationwide Inpatient Sample Design Report 1993
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1993_Design_Report.jsp
    January 01, 1993 - Stratum-Specific Sampling Rates the Same (P 2 = P 1 ). … Stratum-Specific Sampling Rate Decreased (P 2 P 1 ). … Stratum-Specific Sampling Rate Increased (P 2 › P 1 ). … Discharge-Level Sampling Weights The calculations for discharge-level sampling weights were very similar … to the calculations of hospital-level sampling weights.

47. HCUP Nationwide Inpatient Sample Design Report 1995
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1995_Design_Report.jsp
    January 01, 1995 - Stratum-Specific Sampling Rates the Same (P 2 = P 1 ). … Stratum-Specific Sampling Rate Decreased (P 2 ‹ P 1 ). … Stratum-Specific Sampling Rate Increased (P 2 > P 1 ). … Discharge-Level Sampling Weights The calculations for discharge-level sampling weights were very similar … to the calculations of hospital-level sampling weights.

48. HCUP Nationwide Inpatient Sample Design Report 1996
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1996_Design_Report.jsp
    January 01, 1996 - Stratum-Specific Sampling Rates the Same (P 2 = P 1 ). … Stratum-Specific Sampling Rate Decreased (P 2 ‹ P 1 ). … Stratum-Specific Sampling Rate Increased (P 2 > P 1 ). … Discharge-Level Sampling Weights The calculations for discharge-level sampling weights were very similar … to the calculations of hospital-level sampling weights.

49. HCUP Nationwide Inpatient Sample Design Report 1994
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1994_Design_Report.jsp
    January 01, 1994 - Stratum-Specific Sampling Rates the Same (P 2 = P 1 ). … Stratum-Specific Sampling Rate Decreased (P 2 < P 1 ). … Stratum-Specific Sampling Rate Increased (P 2 > P 1 ). … Discharge-Level Sampling Weights The calculations for discharge-level sampling weights were very similar … to the calculations of hospital-level sampling weights.

50. Microsoft Word - KID_Sources_and_Restrictions_2000.doc (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/KID_Sources_and_Restrictions_2000.pdf
    January 01, 2000 - in sampling stratum. … In the 2000 KID, 4 out of 148 hospitals were dropped from the sampling frame. … Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in the sampling … Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in sampling … Hospitals were dropped from the sampling frame whenever there were fewer than two hospitals in sampling

51. Why the NIS should not be used to make State-level estimates
    hcup-us.ahrq.gov/db/nation/nis/nis_statelevelestimates.jsp
    January 01, 2016 - Data from non-Partner States are missing completely from the sampling frame, and data from Partner States … The NIS is designed to represent hospitals and discharges nationally, including those outside the sampling … To accomplish this, within each hospital sampling stratum the NIS draws a number of hospitals from the … sampling frame required to net a total of 20 percent of hospitals nationally. … The sampling strata are defined by census region (4 regions), hospital ownership (3 categories), urban-rural

52. Introduction to the NASS, 2022 (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/NASSIntroduction2022.pdf
    December 01, 2024 - • Build the NASS hospital sampling frame. … frame hospitals and small sampling fractions. … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … The overall sampling fraction for the 2022 universe of hospitals and sampling frame is (2,799/4,314) … The NASS sampling design consists of a stratified, single- stage cluster sample.

53. HCUP Nationwide Inpatient Sample Design Report 1992-1988
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1992_1988_Design_Report.jsp
    January 01, 1992 - Stratum-Specific Sampling Rates the Same (P 2 = P 1 ). … Stratum-Specific Sampling Rate Decreased (P 2 < P 1 ). … Stratum-Specific Sampling Rate Increased (P 2 > P 1 ). … Discharge-Level Sampling Weights The calculations for discharge-level sampling weights were very similar … to the calculations of hospital-level sampling weights.

54. INTRODUCTION TO THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2019 (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
    January 01, 2019 - • Build the NASS hospital sampling frame. … Hospitals are sampled from the NASS sampling frame. … frame hospitals small sampling fractions. … The overall sampling fraction for the 2019 universe of hospitals and sampling frame is (2,958/4,362) … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata

55. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2019
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2019.jsp
    January 01, 2019 - Build the NASS hospital sampling frame. … Return to Introduction   3.4.2 NASS Sampling Strata Sampling strata were selected using results … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2019 Population States Not in NASS Sampling Frame Total 2019 Population States in NASS Sampling … The overall sampling fraction for the 2019 universe of hospitals and sampling frame is (2,958/4,362)

56. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nass/2020_NASS_Introduction.pdf
    January 01, 2020 - • Build the NASS hospital sampling frame. … Hospitals are sampled from the NASS sampling frame. … frame hospitals small sampling fractions. … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … The overall sampling fraction for the 2020 universe of hospitals and sampling frame is (2,899/4,352)

57. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
    January 01, 1998 - Sampling Weights In prior versions of the NIS, we calculated separate sampling weights for the state … sampling and weighting strategy. … Discharge Sampling Rate The sampling rate for discharges was 100 percent for each hospital drawn … First, it simplifies the sampling. … It is no longer necessary to keep track of previous year’s sampling probabilities and sampling status

58. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2020
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2020.jsp
    January 01, 2020 - Build the NASS hospital sampling frame. … frame hospitals small sampling fractions. … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2020 Population States Not in NASS Sampling Frame Total 2020 Population States in NASS Sampling … The overall sampling fraction for the 2020 universe of hospitals and sampling frame is (2,899/4,352)

59. MAINTAIN AND EXPAND (pdf file)
    hcup-us.ahrq.gov/reports/methods/1998ChangesintheNISRedesignFinal.pdf
    January 18, 2002 - Sampling Weights In prior versions of the NIS, we calculated separate sampling weights for the state … sampling and weighting strategy. … Discharge Sampling Rate The sampling rate for discharges was 100 percent for each hospital drawn … First, it simplifies the sampling. … LOG� Executive Summary Sampling features determined in advance Analysis of selected sampling

60. THE HCUP NATIONWIDE AMBULATORY SURGERY SAMPLE (NASS) 2016
    hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.jsp
    January 01, 2016 - Build the NASS hospital sampling frame. … Return to Introduction   3.4.2 NASS Sampling Strata Sampling strata were selected using results … This led to relaxing the number of sampling frame hospitals or sampling fraction criteria for some strata … Frame 2016 Population States Not in NASS Sampling Frame Total 2016 Population States in NASS Sampling … The overall sampling fraction for the 2016 universe of hospitals and sampling frame is (2,751/4,398)