-
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/db/nation/nis/corrections_1994_1997.jsp
January 01, 1994 - NIS Database Documentation - Corrections 1994-1997
An official website of the Department of Health & Human Services
Search All AHRQ Websites
Careers
Contact Us
Espanol
FAQs
…
-
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/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/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/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/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/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/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/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/db/nation/nis/tools/stats/MaskedStats_NIS_2019_Core_Weighted_V2.PDF
January 01, 2019 - Observations 7083805
Sum of Weights 35419023
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
AGE Age in years at admission 7,083,547 0.00 90.00 50.15 0.20 1,776,075,884 … 2, 2022 2
Means of Continuous Data Elements
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
PCLASS_ORPROC Indicates operating room (major
diagnostic or therapeutic … of Mean Sum
Std Error
of Sum
PRDAY23 Number of days from admission to
I10_PR23
6,270 -3.00 324.00
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2019_MaskedStats_Core_Weighted_V2.PDF
January 01, 2019 - Observations 3089283
Sum of Weights 5902538.38
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
AGE Age in years at admission 3,089,283 0.00 20.00 3.95 0.06 23,315,676 … 2, 2022 2
Means of Continuous Data Elements
Statistics
Variable Label N Minimum Maximum Mean
Std Error … of Mean Sum
Std Error
of Sum
PRDAY9 Number of days from admission to
I10_PR9
42,456 -4.00 365.00 … of Mean Sum
Std Error
of Sum
PRDAY21 Number of days from admission to
I10_PR21
3,838 -2.00 358.00
-
hcup-us.ahrq.gov/reports/statbriefs/sb109.jsp
April 01, 2011 - coded in these hospital and ED data:
"drug poisoning (overdose or wrong drug given or taken in error … ) or accidental poisoning (accidental overdose of drug, wrong drug given or taken in error, drug taken … 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/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
-
hcup-us.ahrq.gov/reports/methods/2020-02.pdf
January 01, 2020 - 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
-
hcup-us.ahrq.gov/reports/methods/MS2022-03-PopulationReport.pdf
December 15, 2022 - 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