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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1993_Design_Report.jsp
January 01, 1993 - Zero-Weight Hospitals
The 1993 sample contains no zero-weight hospitals. … For each year, a hospital's weight to its state was calculated in a similar fashion. … Hospitals were stratified just as they were for universe hospital weight calculations. … A discharge's weight to its state was similarly calculated. … These would be used to weight the sample data in estimating population statistics.
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hcup-us.ahrq.gov/db/nation/nis/APS-DRGs%20V22%20Weights%20Manual.pdf
March 01, 2005 - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
APS-DRGs® Weight … APS-DRGS® WEIGHT CALCULATION
The calculation of weights for the Version 22.0 APS-DRGs® is similar to … S-DRGs® Normalized Weights User’s Guide 5
Chapter 2: Methods APS-DRGs® Weight Calculation
AP
STEP … (LOS weight, or mortality
weight) obtained by applying APS-DRGs® to that record, by the mean charge … APS-DRGs® original information for at least one weight.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1992_1988_Design_Report.jsp
January 01, 1992 - However, no attempt was made to include these zero-weight hospitals in previous years. … For each year, a hospital's weight to its state was calculated in a similar fashion. … Hospitals were stratified just as they were for universe hospital weight calculations. … A discharge's weight to its state was similarly calculated. … These would be used to weight the sample data in estimating population statistics.
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hcup-us.ahrq.gov/db/vars/st_bedsz/nisnote.jsp
September 01, 2008 - Hospital bedsize (ST_BEDSZ) is missing for some zero-weight hospitals for which the information was not … available (see the File Composition for the Nationwide Inpatient Sample for a definition of zero-weight … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … complexity of including these hospitals entailed considerable processing burden and costs, no zero-weight
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hcup-us.ahrq.gov/db/vars/st_owner/nisnote.jsp
September 01, 2008 - Hospital ownership (ST_OWNER) is missing for some zero-weight hospitals for which the information was … not available (see the File Composition for the Nationwide Inpatient Sample for a definition of zero-weight … Zero-weight hospitals are included in the 1988-1992 data for NIS, Release 1. … complexity of including these hospitals entailed considerable processing burden and costs, no zero-weight
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hcup-us.ahrq.gov/db/nation/nis/nissummstats.jsp
November 01, 2024 - The following links provide summary statistics for the National (Nationwide) Inpatient Sample (NIS). Summary Statistics include means on all numeric variables, frequency distributions, and univariates on continuous variables. Summary statistics are provided by year.
Contents:
2022 NIS
2021 NIS
2020…
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hcup-us.ahrq.gov/reports/statbriefs/sb210-Malnutrition-Hospital-Stays-2013.jsp
September 01, 2016 - Protein-calorie malnutrition: 1,249,559 stays, 63.9%; weight loss, failure to thrive: 421,335 stays, … Weight loss or failure to thrive was the next most common type of malnutrition, at 21.6 percent of all … loss, failure to thrive
Under-weight
Total number
33,485
2,830
161,955
1,249,559 … A similar pattern was seen for weight loss, failure to thrive—1,413 stays per 100,000 for those aged … Weight loss, failure to thrive: Medicare, 57.4%; Medicaid, 16.3%; private insurance, 19.0%; uninsured
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hcup-us.ahrq.gov/reports/statbriefs/sb210-Malnutrition-Hospital-Stays-2013.pdf
January 01, 2013 - ■ Other malnutrition-related stays
were for weight loss or failure to
thrive (21.6 percent of all … Weight loss or failure to thrive was the next most common type of malnutrition, at 21.6 percent of all … loss,
failure to
thrive
Under-
weight
Total number 33,485 2,830 161,955 1,249,559 421,335 … A similar pattern was seen for weight loss, failure to thrive—1,413 stays per
100,000 for those aged … loss,
failure to
thrive
Under-
weight
Rank % Rank % Rank % Rank % Rank % Rank %
Complication
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hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2009_Severity.TXT
January 01, 2009 - Severity 7 APSDRG_Charge_Weight 27 36 5 Num All-Payer Severity-adjusted DRG: Charge Weight … 8 APSDRG_LOS_Weight 37 46 5 Num All-Payer Severity-adjusted DRG: Length of Stay Weight … 9 APSDRG_Mortality_Weight 47 56 5 Num All-Payer Severity-adjusted DRG: Mortality Weight … KID 2009 Severity 38 CM_WGHTLOSS 113 114 Num AHRQ comorbidity measure: Weight
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2009_Severity.TXT
January 01, 2009 - Severity 7 APSDRG_Charge_Weight 33 42 5 Num All-Payer Severity-adjusted DRG: Charge Weight … 8 APSDRG_LOS_Weight 43 52 5 Num All-Payer Severity-adjusted DRG: Length of Stay Weight … 9 APSDRG_Mortality_Weight 53 62 5 Num All-Payer Severity-adjusted DRG: Mortality Weight … NIS 2009 Severity 38 CM_WGHTLOSS 119 120 Num AHRQ comorbidity measure: Weight
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2008_Severity.TXT
January 01, 2008 - Severity 7 APSDRG_Charge_Weight 33 42 5 Num All-Payer Severity-adjusted DRG: Charge Weight … 8 APSDRG_LOS_Weight 43 52 5 Num All-Payer Severity-adjusted DRG: Length of Stay Weight … 9 APSDRG_Mortality_Weight 53 62 5 Num All-Payer Severity-adjusted DRG: Mortality Weight … NIS 2008 Severity 38 CM_WGHTLOSS 119 120 Num AHRQ comorbidity measure: Weight
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hcup-us.ahrq.gov/reports/methods/1998ChangesintheNISRedesignFinal.pdf
January 18, 2002 - Therefore, we will continue the previous strategy of one weight per stratum. … The differences between the one-weight
estimates and the four-weight estimates on total discharges are … Table 15
Comparison to MedPAR and NHDS, 1997 Data
MedPAR NHDS 4 Weight 1 Weight
34,704 34,686 34,686 … (1811)
11,317 12,263 12,021 12,543
(491)
MedPAR NHDS 4 Weight 1 Weight
4.84 4.90 4.93
(0.35)
6.58 … 6.40 6.38 6.38
(0.44)
MedPAR NHDS 4 Weight 1 Weight
2.29 2.45 2.51
(0.05)
4.69 4.56 4.83 4.83
(0.11
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hcup-us.ahrq.gov/db/nation/nis/reports/Changes_in_NIS_Design_1998.pdf
January 01, 1998 - Therefore, we will continue the previous strategy of one weight per stratum. … The differences between the one-weight
estimates and the four-weight estimates on total discharges are … Table 15
Comparison to MedPAR and NHDS, 1997 Data
MedPAR NHDS 4 Weight 1 Weight
34,704 34,686 34,686 … (1811)
11,317 12,263 12,021 12,543
(491)
MedPAR NHDS 4 Weight 1 Weight
4.84 4.90 4.93
(0.35)
6.58 … 6.40 6.38 6.38
(0.44)
MedPAR NHDS 4 Weight 1 Weight
2.29 2.45 2.51
(0.05)
4.69 4.56 4.83 4.83
(0.11
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1994_Design_Report.jsp
January 01, 1994 - Zero-Weight Hospitals
The 1994 sample contains no zero-weight hospitals. … For each year, a hospital's weight to its state was calculated in a similar fashion. … Hospitals were stratified just as they were for universe hospital weight calculations. … A discharge's weight to its state was similarly calculated. … These would be used to weight the sample data in estimating population statistics.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1995_Design_Report.jsp
January 01, 1995 - Zero-Weight Hospitals
The 1995 sample contains no zero-weight hospitals. … For each year, a hospital's weight to its state was calculated in a similar fashion. … Hospitals were stratified just as they were for universe hospital weight calculations. … A discharge's weight to its state was similarly calculated. … These would be used to weight the sample data in estimating population statistics.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.jsp
January 01, 1997 - Zero-Weight Hospitals
Beginning in 1993, the NIS samples contain no zero-weight hospitals. … The strata that were collapsed for sampling were also collapsed for sample weight calculations. … Hospitals were stratified just as they were for universe hospital weight calculations. … State Discharge Weights
A discharge's weight to its state was similarly calculated. … These would be used to weight the sample data in estimating population statistics.
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hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1997_Design_Report.pdf
January 01, 1997 - Hospitals
Beginning in 1993, the NIS samples contain no zero-weight hospitals. … For each year, a hospital's weight to its state was calculated in a similar
fashion. … Hospitals were stratified just as they were for universe hospital weight calculations. … A discharge's weight to its state was similarly calculated. … These would be used to
weight the sample data in estimating population statistics.
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hcup-us.ahrq.gov/db/nation/nis/weights/SPSSload_NIS_2000_HOSPITAL_TrendWt.SPS
January 01, 2000 - HOSPID "HCUP hospital identification number"
TRENDWT "Weight … to discharges in the universe"
TRENDWTcharge "Weight to discharges in the universe for
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2022_Hospital.TXT
January 01, 2022 - character)
57 - 156 Data element label
NEDS 2022 Hospital 1 DISCWT 11.7 Num Weight … to ED Visits in AHA universe
NEDS 2022 Hospital 2 HOSPWT 11.7 Num Weight to hospitals
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hcup-us.ahrq.gov/db/nation/neds/stats/FileSpecifications_NEDS_2021_Hospital.TXT
January 01, 2021 - character)
57 - 156 Data element label
NEDS 2021 Hospital 1 DISCWT 11.7 Num Weight … to ED Visits in AHA universe
NEDS 2021 Hospital 2 HOSPWT 11.7 Num Weight to hospitals