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Table 2 Frequencies of nursing home evidence types among days with any evidence (n = 833,669 person-days)

From: Validation of a method for identifying nursing home admissions using administrative claims

RULE Description Frequency Percent
000101 outpatient POS and outpatient PROC 448,959 53.85
000001 outpatient PROC only 143,515 17.21
000100 outpatient POS only 137,355 16.48
010100 outpatient PROVIDER and outpatient POS 43,413 5.21
000010 inpatient PROC only 19,213 2.30
001010 inpatient POS and inpatient PROC 12,152 1.46
010000 outpatient PROVIDER only 10,444 1.25
101000 inpatient PROVIDER and inpatient POS 4,830 0.58
010101 outpatient PROVIDER and outpatient POS and outpatient PROC 4,513 0.54
001000 inpatient POS only 3,844 0.46
100000 inpatient PROVIDER only 3,359 0.40
101010 inpatient PROVIDER and inpatient POS and inpatient PROC 564 0.07
010001 outpatient PROVIDER and outpatient PROC 351 0.04
001111 inpatient POS and outpatient POS and inpatient PROC and outpatient PROC 232 0.03
100010 inpatient PROVIDER and inpatient PROC 172 0.02
111100 inpatient PROVIDER and outpatient PROVIDER and inpatient POS and outpatient POS 107 0.01
001100 inpatient POS and outpatient POS 98 0.01
001001 inpatient POS and outpatient PROC 78 0.01
000011 inpatient and outpatient PROC only 72 0.01
001011 inpatient POS and inpatient PROC and outpatient PROC 62 0.01
000111 outpatient POS and inpatient PROC and outpatient PROC 58 0.01
101001 inpatient PROVIDER and inpatient POS and outpatient PROC 50 0.01
100101 inpatient PROVIDER and outpatient POS and outpatient PROC 45 0.01
110000 inpatient PROVIDER and outpatient PROVIDER 40 < 0.01
110100 inpatient PROVIDER and outpatient PROVIDER and outpatient POS 39 < 0.01
111000 inpatient PROVIDER and outpatient PROVIDER and inpatient POS 31 < 0.01
010110 outpatient PROVIDER and outpatient POS and inpatient PROC 17 < 0.01
100100 inpatient PROVIDER and outpatient POS 15 < 0.01
100001 inpatient PROVIDER and outpatient PROC 11 < 0.01
111111 inpatient PROVIDER and outpatient PROVIDER and inpatient POS and outpatient POS and inpatient PROC and outpatient PROC 5 < 0.01
011010 outpatient PROVIDER and inpatient POS and inpatient PROC 4 < 0.01
111010 inpatient PROVIDER and outpatient PROVIDER and inpatient POS and inpatient PROC 4 < 0.01
000110 outpatient POS and inpatient PROC 3 < 0.01
010010 outpatient PROVIDER and inpatient PROC 3 < 0.01
110101 inpatient PROVIDER and outpatient PROVIDER and outpatient POS and outpatient PROC 3 < 0.01
011111 outpatient PROVIDER and inpatient POS and outpatient POS and inpatient PROC and outpatient PROC 2 < 0.01
100011 inpatient PROVIDER and inpatient PROC and outpatient PROC 2 < 0.01
101011 inpatient PROVIDER and inpatient POS and inpatient PROC and outpatient PROC 2 < 0.01
001101 inpatient POS and outpatient POS and outpatient PROC 1 < 0.01
111101 inpatient PROVIDER and outpatient PROVIDER and inpatient POS and outpatient POS and outpatient PROC 1 < 0.01
  1. POS = place of service; PROC = procedure code