-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2019.jsp
January 01, 2019 - A sample size of 20 percent was based on previous experience with similar research databases. … There is no uniform patient identifier available that would allow a patient-level analysis to identify … excludes records for HIV patients from the files provided to HCUP. … visit in which the patient is transferred to another short-term hospital, (9) ED visit in which the patient … in which patient was discharged alive, destination unknown (but not admitted)
Sex of patient
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.pdf
January 01, 1999 - for the nation as a whole and for policy-relevant inpatient
subgroups defined by geographic regions, patient … This sample size was determined by AHRQ based on their experience with similar research databases.
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2015.jsp
January 01, 2015 - A sample size of 20 percent was based on previous experience with similar research databases. … There is no uniform patient identifier available that would allow a patient-level analysis to identify … of discharge records for patients with HIV diagnoses. … patient died in the ED, (98) ED visits in which patient was not admitted, destination unknown, (99) ED … visit in which patient was discharged alive, destination unknown (but not admitted)
Sex of patient
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1998_Design_Report.jsp
January 01, 1998 - for the nation as a whole and for policy-relevant inpatient subgroups defined by geographic regions, patient … This sample size was determined by AHRQ based on their experience with similar research databases.
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2014.jsp
January 01, 2014 - The NIS covers all patients, including individuals covered by Medicare, Medicaid, or private insurance … totals of patients for a hospital) could be calculated for each sampled hospital. … There is no uniform patient identifier available that allows a patient-level analysis with the NIS. … This sample size was determined by AHRQ based on their experience with similar research databases. … Refined DRG (3M)
APRDRG
All Patient Refined DRG
APRDRG_Risk_Mortality
All Patient Refined
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2018.jsp
January 01, 2018 - A sample size of 20 percent was based on previous experience with similar research databases. … There is no uniform patient identifier available that would allow a patient-level analysis to identify … excludes records for HIV patients from the files provided to HCUP. … visit in which the patient is transferred to another short-term hospital, (9) ED visit in which the patient … in which patient was discharged alive, destination unknown (but not admitted)
Sex of patient
-
hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2019.pdf
September 01, 2021 - For Medicare, the NIS includes Medicare Advantage patients, a population that is often
missing from … totals of patients for
a hospital) could be calculated for each sampled hospital. … There is no uniform patient identifier available that allows a patient-level
analysis with the NIS. … This sample size was determined by AHRQ
based on their experience with similar research databases. … Type of
Data Element HCUP Name Coding Notes
All Patient
Refined DRG
(3M)
APRDRG All Patient Refined
-
hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-User-Guide-v2019-1.pdf
September 01, 2019 - In some cases, a patient may need to be stabilized before the active treatment
may begin. … A subsequent encounter, designated by a seventh character of D, is used when the patient has
completed … versions of the CCS
enhances the ability for researchers to use the CCSR to identify more targeted patient … code, its practical application may be challenging for users
with limited statistical programming experience … reviewed utilization counts of CCSR categories and individual ICD-10-CM codes, cross-
tabulations by patient
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2007.jsp
January 01, 2007 - This sample size was determined by AHRQ based on their experience with similar research databases. … use patients. … ), (2) Low (5-25% of patients), (3) Medium (25 - 75% of patients), (4) High (75 - 95% of patients), ( … ), (2) Low (5 - 25% of patients), (3) Medium (25 - 75% of patients), (4) High (75 - 95% of patients), … ), (2) Low (5 - 25% of patients), (3) Medium (25 - 75% of patients), (4) High (75 - 95% of patients),
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2017.jsp
January 01, 2017 - totals of patients for a hospital) could be calculated for each sampled hospital. … This means that individual patients who are hospitalized multiple times in one year may be present in … There is no uniform patient identifier available that allows a patient-level analysis with the NIS. … This sample size was determined by AHRQ based on their experience with similar research databases. … Type of Data Element
HCUP Name
Coding Notes
All Patient Refined DRG (3M)
APRDRG
All Patient
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2016.jsp
January 01, 2016 - The NIS covers all patients, including individuals covered by Medicare, Medicaid, or private insurance … totals of patients for a hospital) could be calculated for each sampled hospital. … There is no uniform patient identifier available that allows a patient-level analysis with the NIS. … This sample size was determined by AHRQ based on their experience with similar research databases. … Type of Data Element
HCUP Name
Coding Notes
All Patient Refined DRG (3M)
APRDRG
All Patient
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2019.jsp
January 01, 2019 - totals of patients for a hospital) could be calculated for each sampled hospital. … This means that individual patients who are hospitalized multiple times in one year may be present in … There is no uniform patient identifier available that allows a patient-level analysis with the NIS. … This sample size was determined by AHRQ based on their experience with similar research databases. … Type of Data Element
HCUP Name
Coding Notes
All Patient Refined DRG (3M)
APRDRG
All Patient
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2018.jsp
January 01, 2018 - totals of patients for a hospital) could be calculated for each sampled hospital. … This means that individual patients who are hospitalized multiple times in one year may be present in … There is no uniform patient identifier available that allows a patient-level analysis with the NIS. … This sample size was determined by AHRQ based on their experience with similar research databases. … Type of Data Element
HCUP Name
Coding Notes
All Patient Refined DRG (3M)
APRDRG
All Patient
-
hcup-us.ahrq.gov/db/nation/kid/reports/Kid_1997_designreport.pdf
January 01, 1997 - for the nation as a whole and for policy-relevant inpatient
subgroups defined by geographic regions, patient … Second, based on the experience of
prior hospital discharge data collections, it would have been too … Intuitively, this makes
sense because children’s hospitals primarily serve only pediatric patients.
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2008.jsp
January 01, 2008 - This sample size was determined by AHRQ based on their experience with similar research databases. … use patients. … ), (2) Low (5 - 25% of patients), (3) Medium (25 - 75% of patients), (4) High (75 - 95% of patients), … ), (2) Low (5 - 25% of patients), (3) Medium (25 - 75% of patients), (4) High (75 - 95% of patients), … ), (2) Low (5 - 25% of patients), (3) Medium (25 - 75% of patients), (4) High (75 - 95% of patients),
-
hcup-us.ahrq.gov/db/nation/neds/NEDS2015Introduction.pdf
December 01, 2017 - A sample size of 20 percent was based on previous experience
with similar research databases. … There is no uniform patient identifier available that would allow a
patient-level analysis to identify … 2,044,315 1.4
ED visit in which the patient died in the
ED 179,302 0.1
ED visit in which patient … of discharge records for patients with HIV
diagnoses … the patient died in the ED, (98) ED
visits in which patient was not admitted, destination
unknown,
-
hcup-us.ahrq.gov/reports/methods/NIS_Comparison_Report_2001.pdf
January 01, 2001 - In general, the NIS overestimated Medicare patients aged 65-84 and
underestimated Medicare patients … Medicare managed care
enrollees; these individuals accounted for 15.4 percent of the Medicare inpatient experience … Comparisons by Patient Characteristics
For nearly all comparisons by patient categories (Table 14), … The foremost cause of this
discrepancy seems to be the omission of most managed care clients from the … In the same situation, if only Medicare clients are of interest, the
MedPAR data set might be preferable
-
hcup-us.ahrq.gov/db/nation/nis/reports/NIS_1999_Design_Report.jsp
January 01, 1999 - for the nation as a whole and for policy-relevant inpatient subgroups defined by geographic regions, patient … This sample size was determined by AHRQ based on their experience with similar research databases.
-
hcup-us.ahrq.gov/db/nation/nis/reports/2001niscomparisonrpt.jsp
November 01, 2015 - In general, the NIS overestimated Medicare patients aged 65-84 and underestimated Medicare patients younger … Medicare managed care enrollees; these individuals accounted for 15.4 percent of the Medicare inpatient experience … Comparisons by Patient Characteristics
For nearly all comparisons by patient categories (Table 14), … The foremost cause of this discrepancy seems to be the omission of most managed care clients from the … In the same situation, if only Medicare clients are of interest, the MedPAR data set might be preferable
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2006.jsp
January 01, 2006 - There is no uniform patient identifier available that allows a patient-level analysis with the NIS. … lengths of stay than patients in other community hospitals. … This sample size was determined by AHRQ based on their experience with similar research databases. … use patients. … 2006
All Patient Refined DRG: Risk of Mortality Subclass
APRDRG_Severity
2002-2006
All Patient