-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_CORE10Bv2.TXT
January 01, 1999 - days (when age < 1 year)
NIS 1999 CORE10B 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1998_COREv2.TXT
January 01, 1998 - days (when age < 1 year)
NIS 1998 CORE 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1999_CORE10B.TXT
January 01, 1999 - Age in days (when age < 1 year)
NIS 1999 CORE10B 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_10PCT_SAMPLE_A.TXT
January 01, 2002 - days (when age < 1 year)
NIS 2002 10PCT_SAMPLE_A 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_10PCT_SAMPLE_B.TXT
January 01, 2002 - days (when age < 1 year)
NIS 2002 10PCT_SAMPLE_B 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/FileSpecifications_NIS_2002_CORE.TXT
January 01, 2002 - days (when age < 1 year)
NIS 2002 CORE 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2001_CORE.TXT
January 01, 2001 - days (when age < 1 year)
NIS 2001 CORE 4 AMONTH 21 22 Num Admission month
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2016.pdf
January 01, 2016 - clinical and non-clinical data elements provided in a hospital
discharge abstract, such as:
• Discharge month … • Discharge month for when the index event occurred, because there are limitations when
using a calendar-year … That allows
the month of December for 30 days of follow-up.12 In contrast, defining index events using … For information that pertains to day of admission (e.g., admission month,
admission source, NRD_DaysToEvent … $53,999; (3) $54,000–$70,999; and (4)
$71,000 or more.1
Readmission
Specific
DMONTH Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2017.pdf
January 01, 2017 - clinical and non-clinical data elements provided in a hospital
discharge abstract, such as:
• Discharge month … • Discharge month for when the index event occurred, because there are limitations when
using a calendar-year … That allows the month of December for 30 days of follow-up.12 In contrast, defining
index events using … For information that pertains to day of admission (e.g., admission month,
admission source, NRD_DaysToEvent … $55,999; (3) $56,000–$73,999; and (4)
$74,000 or more.1
Readmission
Specific
DMONTH
Discharge month
-
hcup-us.ahrq.gov/db/nation/nrd/Introduction_NRD_2010-2017.jsp
January 01, 2017 - clinical and non-clinical data elements provided in a hospital discharge abstract, such as:
Discharge month … Discharge month for when the index event occurred, because there are limitations when using a calendar-year … That allows the month of December for 30 days of follow-up. 12 In contrast, defining index events … For information that pertains to day of admission (e.g., admission month, admission source, NRD_DaysToEvent … (3) $56,000-$73,999; and (4) $74,000 or more. 1
Readmission Specific
DMONTH
Discharge month
-
hcup-us.ahrq.gov/reports/statbriefs/sb147.jsp
January 01, 2013 - Trend chart; tracking ED visits and Hospitalizations, Rate per 100,000 population, per month of year.
-
hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2015.jsp
January 01, 2015 - At least one Partner requires that admission month (AMONTH) is set to missing on all records.
… weekend: (0) admission on Monday-Friday, (1) admission on Saturday-Sunday
AMONTH
Admission month
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/PublicSummaryStats_KID_2006_Core.PDF
January 01, 2006 - AGEMONTH : Age in months (when age < 11 years) 1511134 1620190 0.00 131.00 16.22 31.08
AMONTH : Admission month … Frequency
Percent
of
Total
.: Missing 1612836 51.51
.A: Invalid 7354 0.23
0 months 891074 28.46
1 month
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2003_SummaryStats_CORE.PDF
January 01, 2003 - AGEMONTH : Age in months (when age < 11 years) 1425702 1558427 0.00 131.00 17.88 32.43
AMONTH : Admission month … Frequency
Percent
of
Total
.: Missing 1558397 52.22
.A: Invalid 30 0.00
0 months 794509 26.62
1 month
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/KID_2009_MaskedStats_Core_Weighted.PDF
January 01, 2009 - months (when age < 11 years) 1,695,354 1,711,792 0.00 131.00 9.93 0.32 9.30 10.57
AMONTH Admission month … Percent
of Total
.: Missing 3,089,633 41.92%
.A: Invalid 10,898 0.15%
0 months 3,252,092 44.12%
1 month
-
hcup-us.ahrq.gov/reports/statbriefs/sb151.pdf
August 01, 2011 - Statistical Brief #151: Trends in Potentially Preventable Hospital Admissions among Adults and Children, 2005-2010
1
March 2013
Trends in Potentially Preventable Hospital
Admissions among Adults and Children,
2005–2010
Celeste M. Torio, Ph.D., M.P.H., Anne Elixhauser, Ph.D., and Roxanne
…
-
hcup-us.ahrq.gov/reports/statbriefs/sb283-COVID-19-PediatricHosptl.pdf
August 23, 2021 - Changes in Pediatric Hospitalizations and In-Hospital Deaths in the Initial Period of the COVID-19 Pandemic (April–September 2020), 13 States
1
HEALTHCARE COST AND
UTILIZATION PROJECT
Agency for Healthcare
Research and Quality
Changes in Pediatric Hospitalizations and In-Hospital Deaths
in the Initial Period…
-
hcup-us.ahrq.gov/db/nation/nrd/NRDIntroduction2022.pdf
December 01, 2024 - clinical and non-clinical data elements provided in a hospital
discharge abstract, such as:
• Discharge month … That allows the month of December for 30 days of follow-up.12 In contrast, defining
index events using … b The number of readmissions are 12-month counts calculated by multiplying the average readmission rate … by the 12-
month index admission counts. … Readmission
Specific
DMONTH Discharge month coded from (1) January to (12)
December
NRD_DAYSTOEVENT
-
hcup-us.ahrq.gov/db/nation/kid/tools/stats/FileSpecifications_KID_2003_CORE.TXT
January 01, 2003 - age < 11 years)
KID 2003 CORE 6 AMONTH 23 24 Num Admission month
-
hcup-us.ahrq.gov/db/vars/i10_prn/nisnote.jsp
September 10, 2008 - Healthcare Cost and Utilization Project (HCUP) NIS Notes
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