-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2011_MaskedStats_Core_V2.PDF
January 01, 2011 - ECODE1 Frequency
Percent
of Total
Blank 11,515,525 82.76%
Injury E code 567,428 4.08%
Place of occurrence … Other specified; NEC 16,453 0.12%
2620: E Codes: Unspecified 120,273 0.86%
2621: E Codes: Place of occurrence
-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2011_MaskedStats_Core_V2_Weighted.PDF
January 01, 2011 - ECODE1 Frequency
Percent
of Total
Blank 30,893,338 83.70%
Injury E code 1,359,126 3.68%
Place of occurrence … Other specified; NEC 40,069 0.11%
2620: E Codes: Unspecified 281,499 0.76%
2621: E Codes: Place of occurrence
-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2010_MaskedStats_Core_V2.PDF
January 01, 2010 - ECODE1 Frequency
Percent
of Total
Blank 11,533,256 82.93%
Injury E code 571,745 4.11%
Place of occurrence … Other specified; NEC 15,373 0.11%
2620: E Codes: Unspecified 130,819 0.94%
2621: E Codes: Place of occurrence
-
hcup-us.ahrq.gov/db/nation/nrd/stats/NRD_2010_MaskedStats_Core_V2_Weighted.PDF
January 01, 2010 - ECODE1 Frequency
Percent
of Total
Blank 31,283,276 83.91%
Injury E code 1,368,144 3.67%
Place of occurrence … Other specified; NEC 37,747 0.10%
2620: E Codes: Unspecified 304,489 0.82%
2621: E Codes: Place of occurrence
-
www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary19/colorectal-cancer-screening
May 18, 2021 - Occurrence of distal colorectal neoplasia among whites and blacks following negative flexible sigmoidoscopy … Comparison of prognostic models to predict the occurrence of colorectal cancer in asymptomatic individuals
-
hcup-us.ahrq.gov/db/nation/nrd/stats/MaskedStats_NRD_2015Q1Q3_Dx_Pr_Grps.PDF
October 31, 2017 - ECODE1 Frequency
Percent
of Total
Blank 10,481,954 81.08%
Injury E code 579,344 4.48%
Place of occurrence … Other specified; NEC 19,109 0.15%
2620: E Codes: Unspecified 89,104 0.69%
2621: E Codes: Place of occurrence
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/MaskedStats_NIS_2015Q1Q3_Dx_Pr_Grps.PDF
November 08, 2017 - ECODE1
ECODE1 Frequency
Percent
of Total
Blank 4,484,920 83.40%
Injury E code 393,850 7.32%
Place of occurrence … Other specified; NEC 11,002 0.20%
2620: E Codes: Unspecified 33,443 0.62%
2621: E Codes: Place of occurrence
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2013_MaskedStats_Core_Weighted.PDF
January 01, 2013 - ECODE1 Frequency
Percent
of Total
Blank 29,953,816 84.15%
Injury E code 2,214,673 6.22%
Place of occurrence … Other specified; NEC 56,830 0.16%
2620: E Codes: Unspecified 188,235 0.53%
2621: E Codes: Place of occurrence
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_2012_MaskedStats_Core.PDF
January 01, 2012 - ECODE1
ECODE1 Frequency
Percent
of Total
Blank 6,150,239 84.28%
Injury E code 456,068 6.25%
Place of occurrence … Other specified; NEC 11,629 0.16%
2620: E Codes: Unspecified 38,738 0.53%
2621: E Codes: Place of occurrence
-
www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/perinatal/chipra-0083-fullreport.pdf
March 01, 2016 - These studies are limited because they do not follow women long enough to detect disease
occurrence.
-
www.ahrq.gov/sites/default/files/2025-07/catchpole-report.pdf
January 01, 2025 - sequence may in fact be an effect of hindsight bias, and that instead accidents
happen through the random occurrence
-
www.ahrq.gov/sites/default/files/wysiwyg/policymakers/chipra/factsheets/fullreports/0083episiotomy.pdf
March 01, 2016 - These studies are limited because they do not follow women long enough to detect disease
occurrence.
-
www.ahrq.gov/sites/default/files/2024-01/smith-report.pdf
January 01, 2024 - Between 2008 and 2014, 1.29 percent of MEPS participants had an occurrence of kidney
stones.
-
www.ahrq.gov/sites/default/files/2025-02/unruh-report.pdf
January 01, 2025 - Relationship between occurrence of surgical complications and
hospital finances.
-
effectivehealthcare.ahrq.gov/sites/default/files/related_files/fatty-acids-cardiovascular-disease_disposition-comments.pdf
August 12, 2016 - The studies in patients with implantable
cardiac defibrillators (ICDs) detect the occurrence of a shockable
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/antiplatelet-treatment_research-protocol.pdf
November 22, 2011 - Because platelet
reactivity is an intermediate phenotype between exposure to a drug and occurrence
-
www.uspreventiveservicestaskforce.org/uspstf/recommendation/colorectal-cancer-screening-june-2016
June 15, 2016 - sedation is used during colonoscopy, cardiopulmonary events may rarely occur; the precise frequency of occurrence
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/wheelchair-users-amended-protocol.pdf
June 21, 2019 - Physical activity and reduced
occurrence of non-insulin-dependent diabetes mellitus.
-
effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-tympanostomy_research.pdf
June 01, 2017 - Time to first recurrence
NCT01949142 and NCT01949155 Primary
Treatment failures defined as the occurrence
-
digital.ahrq.gov/sites/default/files/docs/publication/r18hs017099-weiner-final-report-2010.pdf
January 01, 2010 - any diabetes diagnoses, but ultimately decided against this addition since it
was a relatively rare occurrence