-
hcup-us.ahrq.gov/reports/natstats/commdx/commdx.htm
October 01, 1999 - summarized the literature on coding errors for hospital administrative data and
described a decline in error … Information on age and sex was most
reliable (error rates less than 1 percent), and principal diagnosis … discharges is
required to assure, with 95 percent confidence, that the reported proportions
had a relative error … of less than 30 percent (i.e., if the reported value is
p , the error is <.3 p ).
-
hcup-us.ahrq.gov/reports/trendtables/HCUPSummaryTrendTables_Methods.xlsx
December 01, 2022 - equal to 10, representing fewer than two hospitals (State tables only), or with a relative standard error … less than 30, representing fewer than two hospitals (State tables only), or with a relative standard error … than 30, or representing fewer than two hospitals (State tables only), or with a relative standard error … than 30, or representing fewer than two hospitals (State tables only), or with a relative standard error … than 30, or representing fewer than two hospitals (State tables only), or with a relative standard error
-
hcup-us.ahrq.gov/db/vars/dxccsn/nisnote.jsp
September 01, 2008 - EAGE05, EDX03
Top
State Specific Notes
Massachusetts
Due to an error
-
hcup-us.ahrq.gov/tech_assist/index_stu.jsp
February 01, 2022 - Flags for ICD-9-CM
Software Tools - Utilization Flag for ICD-10-PCS
Spotlights (HCUP)
Standard Error
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2022_Core_Weighted.PDF
January 01, 2022 - Observations 6578372
Sum of Weights 32891849
Statistics
Variable Label N Minimum Maximum Mean
Std Error … 25, 2024 2
Means of Continuous Data Elements
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
FEMALE Indicator of sex 6,576,958 0.00 1.00 0.5537 0.0011 18,208,318 … of Mean Sum
Std Error
of Sum
PAY1 Primary expected payer (uniform) 6,568,727 1.00 6.00 2.0986 0.0059 … of Mean Sum
Std Error
of Sum
PRDAY22 Number of days from admission to
I10_PR22
9,872 -3.00 347.00
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2021_Core_Weighted.PDF
January 01, 2021 - Observations 6666752
Sum of Weights 33333720
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
AGE Age in years at admission 6,666,498 0.00 90.00 49.8089 0.1974 1,660,252,156 … 28, 2023 2
Means of Continuous Data Elements
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
ELECTIVE Elective versus non-elective
admission
6,656,852 0.00 1.00 … of Mean Sum
Std Error
of Sum
PRDAY9 Number of days from admission to
I10_PR9
151,425 -4.00 345.00
-
hcup-us.ahrq.gov/reports/statbriefs/sb19.jsp
May 19, 2016 - Note: Statistics based on estimates with a relative standard error (standard error/weighted estimate) … greater than 0.30 or with standard error = 0 are not reliable.
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2016_Core_MaskedStats.PDF
January 01, 2016 - Kurtosis 6.57125856
Uncorrected SS 668838410 Corrected SS 26877854.1
Coeff Variation 20.4617668 Std Error … Kurtosis -0.8979735
Uncorrected SS 7.14507E10 Corrected SS 1.95106E10
Coeff Variation 61.2892499 Std Error … Kurtosis 150.704858
Uncorrected SS 1.15509E15 Corrected SS 7.97252E14
Coeff Variation 149.263329 Std Error
-
hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_1_3a.jsp
January 01, 2005 - Exhibit 1.3. Reasons for Hospital Stays
Exhibit 1.3. Reasons for Hospital Stays
Hospital Stays for Males and Females by Major Reason*, 2005
Male and Female**
Male
Female
Reason for Hospital Stay According to Principal Diagnosis
Number of Discharges (in Thousands)
Percent of All D…
-
hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_1_3b.jsp
January 01, 2005 - Exhibit 1.3. Reasons for Hospital Stays
Exhibit 1.3. Reasons for Hospital Stays
Hospital Stays for Males and Females by Major Reason*, 2005
Male and Female**
Male
Female
Reason for Hospital Stay According to Principal Diagnosis
Number of Discharges (in Thousands)
Percent of All D…
-
hcup-us.ahrq.gov/db/nation/nrd/nrdchecklist.jsp
November 01, 2024 - Standard error calculations should take into account the stratification (data element NRD_STRATUM) and
-
hcup-us.ahrq.gov/reports/statbriefs/sb109.pdf
April 01, 2011 - coded in these hospital and ED data:
―drug poisoning (overdose or wrong drug given or
taken in error … www.hcup-us.ahrq.gov/reports/statbriefs/sb29.pdf
2
overdose of drug, wrong drug given or taken in error … Drug poisoning, which often involves accidental drug overdose, wrong drugs taken or given in error, or … biological substances
(includes overdose of these substances and wrong substances given or taken in error … medicinal substances, and biologicals (includes
accidental overdose, wrong dose given or taken in error
-
hcup-us.ahrq.gov/db/vars/aweekend/nisnote.jsp
September 01, 2008 - From data year 1998 to 2000, there may be an error in AWEEKEND.
-
hcup-us.ahrq.gov/db/nation/nis/corrections_1998_1999.jsp
January 01, 1998 - NIS Database Documentation - Corrections 1998-1999
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
…
-
hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_2_5a.jsp
January 01, 2005 - Exhibit 2.5 Circulatory Conditions
Exhibit 2.5 Circulatory Conditions
Number of Discharges, Percent Distribution, and Rank for the Most Frequent Principal
Diagnoses of Circulatory Conditions by Sex, 2005
Principal Diagnosis CCS Condition Category and Name
Total*
Male
Female
Discharges…
-
hcup-us.ahrq.gov/db/vars/aweekend/kidnote.jsp
September 01, 2008 - From data year 1998 to 2000, there may be an error in AWEEKEND.
-
hcup-us.ahrq.gov/reports/methods/2017-01.pdf
January 01, 2017 - Standard error calculations should take into account the
poststratification weights and clustering of … Output for 30-day All-Cause AMI Readmissions
Analytic
Sample Software Mean Standard
Error Sum Standard … Error
All NRD
discharges
SAS 0.001918 4.1 x 10-5 67,717 1,624.8
Stata 0.001918 4.1 x 10-5 67,717 … Unbiased estimates of error variance then
are obtained by comparing the actual values to the predicted
-
hcup-us.ahrq.gov/datainnovations/NWAbstractFinal.pdf
September 29, 2013 - Title:
States: Idaho, Oregon, Washington
Title: Improving Data & Enhancing Access—(IDEA)
Principal Investigator: Victoria Warren-Mears
Organization: Northwest Portland Area Indian Health Board
Project Dates: September 30, 2010, to September 29, 2013
Grant Number: R01 HS19972-01
Correctly assessing th…
-
hcup-us.ahrq.gov/reports/factsandfigures/figures/2005/2005_2_3.jsp
January 01, 2005 - Exhibit 2.3 Most Frequent Diagnoses by Sex
Exhibit 2.3 Most Frequent Diagnoses by Sex
Number of Discharges,* Percent Distribution, and Rank of Most Frequent Principal Diagnoses for Inpatient Hospital Stays by Sex, 2005
Principal Diagnosis CCS Condition Category and Name
Males
Females
Numb…
-
hcup-us.ahrq.gov/reports/methods/MS-2021-04-PopulationReport.pdf
January 01, 2021 - For population counts based on Census data, there is no sampling error. … Step-By-Step Example
Consider the following example of calculating a population-based rate and standard error … There is
no error associated with the Census population count. … For this example, call the population
count "ADULT_US_POP"
Step 4: Calculate rate and standard error … Calculate the population-based rate
per 100,000 population and the standard error of the rate as follows