-
hcup-us.ahrq.gov/figures/nis_figure7_2010.jsp
January 01, 2010 - Figure 7: Number of NIS Discharges, Weighted, by Year
Figure 7: Number of NIS Discharges, Weighted, by Year
Years
Number of Discharges in Millions, Weighted
1988
35,171,448
1989
35,104,645
1990
35,215,397
1991
35036492
1992
35,011,385
1993
34714530
…
-
hcup-us.ahrq.gov/figures/nis_figure6_2009.jsp
January 01, 2009 - Figure 6: Number of NIS Discharges, Unweighted, by Year
Figure 6: Number of NIS Discharges, Unweighted, by Year
Years
Regular Sample Discharges (in millions)
Total Sample Discharges (in millions)
1988
5,242,904
5,265,756
1989
6,067,667
6,110,064
1990
6,156,638
6,268…
-
hcup-us.ahrq.gov/figures/nis_figure7_2009.jsp
January 01, 2009 - Figure 7: Number of NIS Discharges, Weighted, by Year
Figure 7: Number of NIS Discharges, Weighted, by Year
Years
Number of Discharges in Millions, Weighted
1988
35,171,448
1989
35,104,645
1990
35,215,397
1991
35036492
1992
35,011,385
1993
34714530
…
-
hcup-us.ahrq.gov/figures/kid_figure4_09.jsp
Figure 4. Number of Discharges in the 2009 KID, by State
Figure 4. Number of Discharges in the 2009 KID, by State
State
Number of Discharges
Arkansas
38,544
Arizona
87,551
California
435,323
Colorado
57,974
Connecticut
31,795
Florida
231,806
Ge…
-
hcup-us.ahrq.gov/figures/nis_figure7_2013.jsp
January 01, 2013 - Figure 7: Number of NIS Discharges, Weighted, by Year
Figure 7: Number of NIS Discharges, Weighted, by Year
Years
Number of Discharges in Millions, Weighted
1988
35,171,448
1989
35,104,645
1990
35,215,397
1991
35,036,492
1992
35,011,385
1993
34,714,5…
-
hcup-us.ahrq.gov/figures/nis_figure6_2012.jsp
January 01, 2012 - Figure 6: Number of NIS Discharges, Unweighted, by Year
Figure 6: Number of NIS Discharges, Unweighted, by Year
Years
Regular Sample Discharges (in millions)
Total Sample Discharges (in millions)
1988
5,242,904
5,265,756
1989
6,067,667
6,110,064
1990
6,156,638
6,268…
-
hcup-us.ahrq.gov/figures/nis_figure7_2012.jsp
January 01, 2012 - Figure 7: Number of NIS Discharges, Weighted, by Year
Figure 7: Number of NIS Discharges, Weighted, by Year
Years
Number of Discharges in Millions, Weighted
1988
35,171,448
1989
35,104,645
1990
35,215,397
1991
35036492
1992
35,011,385
1993
34714530
…
-
hcup-us.ahrq.gov/figures/nis_figure10_2009.jsp
January 01, 2009 - Figure 10: Number of Discharges in the 2007 NIS, by State
Figure 10: Number of Discharges in the 2007 NIS, by State
State
Number of Discharges
Arkansas
65,606
Arizona
169,783
California
925,790
Colorado
141,166
Connecticut
110,871
Florida
746,733
…
-
hcup-us.ahrq.gov/figures/nis_figure6_2013.jsp
January 01, 2013 - Figure 6: Number of NIS Discharges, Unweighted, by Year
Figure 6: Number of NIS Discharges, Unweighted, by Year
Years
Regular Sample Discharges (in millions)
Total Sample Discharges (in millions)
1988
5,242,904
5,265,756
1989
6,067,667
6,110,064
1990
6,156,638
6,268…
-
hcup-us.ahrq.gov/figures/nis_figure10_2011.jsp
January 01, 2011 - Figure 10: Number of Discharges in the 2009 NIS, by State
Figure 10: Number of Discharges in the 2009 NIS, by State
State
Number of Discharges
Arkansas
82,524
Arizona
140,894
California
901,279
Colorado
156,401
Connecticut
98,266
Florida
670,080
…
-
hcup-us.ahrq.gov/figures/nis_figure10_2010.jsp
January 01, 2010 - Figure 10: Number of Discharges in the 2008 NIS, by State
Figure 10: Number of Discharges in the 2008 NIS, by State
State
Number of Discharges
Arkansas
131,851
Arizona
196,002
California
865,219
Colorado
146,016
Connecticut
103,641
Florida
741,145
…
-
hcup-us.ahrq.gov/reports/ataglance/HCUPanalysisCdiff.pdf
April 12, 2021 - For this report, C. diff hospitalizations discharged prior to October 2015 were identified by the
International
-
hcup-us.ahrq.gov/db/state/sedddist/Introduction_to_SEDD.pdf
September 01, 2025 - separate sets of files based on the discharge date and different coding schemes:
• If the record was discharged … retained in
the quarter 1 to quarter 3 (Q1–Q3) files and includes ICD-9-CM data
• If the record was discharged
-
hcup-us.ahrq.gov/db/nation/kid/reports/KID_2000_File_Composition.pdf
January 01, 2000 - is:
• Same-day stay (LOS = 0),
• Non-zero charges to operating room or same-day surgery, and
• Discharged … from the HCUP inpatient database:
• For all years, interim records for patients who had not been discharged
-
hcup-us.ahrq.gov/reports/factsandfigures/2008/highlights.jsp
January 01, 2008 - 2008.
1.5
Uninsured and Medicaid stays accounted for nearly half (48 percent) of all stays discharged
-
hcup-us.ahrq.gov/reports/statbriefs/sb115.jsp
June 01, 2011 - defined as the number of times patients had a readmission within a certain number of days after being discharged … times patients had a readmission within a certain number of days (e.g., 7, 14, or 30 days) after being discharged
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2015_Core_Weighted.PDF
January 01, 2015 - .: Missing 10,670 0.03%
.A: Invalid 8,595 0.02%
1: Discharged to home or self care 24,807,782 69.35% … 4,144,520 11.59%
7: Against medical advice 419,170 1.17%
20: Died in hospital 681,740 1.91%
99: Discharged
-
hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS21993Final.pdf
April 03, 1997 - In the MedPAR file, same-day stays (admitted and discharged on the same day)
were assigned a length of … For women discharged after a delivery, a code of V27 (Outcome of Delivery) from
the supplemental classification … For
women discharged after a delivery, a
code of V27 (Outcome of Delivery) from
the supplemental classification
-
hcup-us.ahrq.gov/reports/methods/2000NISComparisonReportFinal.pdf
February 28, 2003 - For women discharged
after a delivery, a code of V27 from the supplemental classification is entered … Reassignment of diagnosis
codes
None For women discharged after
delivery, a code of V27 is entered … all
discharges at a hospital, it was not possible to exclude some of the cases that might have been
discharged … gives a code of V27 from the supplemental classification as the principal
diagnosis for all women discharged … 0.06)
5.33 2.92
(0.10)
2.99 10,359
(290)
9,856
121: Circulatory
disorders w AMI &
major comp,
discharged
-
hcup-us.ahrq.gov/db/state/siddist/SID_Introduction.jsp
June 01, 2022 - separate sets of files based on the discharge date and different coding schemes:
If the record was discharged … retained in the quarter 1 to quarter 3 (Q1-Q3) files and includes ICD-9-CM data
If the record was discharged