Table 2 Patient demographics and encounter characteristics
Family medicine | Internal medicine | Pediatrics | Overall | |
|---|---|---|---|---|
(n=449) | (n=163) | (n=119) | (n=731) | |
Age, mean years ± SD | 42.9 ± 21.0 | 53.1 ± 15.0 | 5.5 ± 5.4 | 39.1 ± 23.7 |
Female sex | 257 (57.2) | 88 (54.0) | 53 (44.5) | 398 (54.4) |
Race | ||||
White | 413 (92.0) | 145 (89.0) | 93 (78.2) | 651 (89.1) |
Black | 11 (2.4) | 11 (6.7) | 7 (5.9) | 29 (4.0) |
Asian/Pacific Islander | 13 (2.9) | 2 (1.2) | 11 (9.2) | 26 (3.6) |
Other | 5 (1.1) | 4 (2.5) | 6 (5.0) | 15 (2.1) |
Unknown/not reported | 7 (1.6) | 1 (0.6) | 2 (1.7) | 10 (1.4) |
Hispanic ethnicity | 8 (1.8) | 1 (0.6) | 26 (21.8) | 35 (4.8) |
Initial encounter for SSTI | 290 (64.6) | 115 (70.6) | 109 (91.6) | 514 (70.3) |
Encounter month | ||||
January | 116 (25.8) | 27 (16.6) | 27 (22.7) | 170 (23.3) |
April | 98 (21.8) | 40 (24.5) | 42 (35.3) | 180 (24.6) |
July | 116 (25.8) | 48 (29.4) | 30 (25.2) | 194 (26.5) |
October | 119 (26.5) | 48 (29.4) | 20 (16.8) | 187 (25.6) |
ICD-9 code for SSTI | 449 (100.0) | 163 (100.0) | 119 (100.0) | 731 (100.0) |
CPT code for IND | 61 (13.6) | 11 (6.7) | 4 (3.4) | 76 (10.4) |
Positive wound culture | 62 (13.8) | 16 (9.8) | 25 (21.0) | 103 (14.1) |
SSTI Identification Criteria | ||||
ICD-9 or CPT code or positive culture | 449 (100.0) | 163 (100.0) | 119 (100.0) | 731 (100.0) |
ICD-9 SSTI code only | 412 (91.8) | 147 (90.2) | 110 (92.4) | 669 (91.5) |
Cellulitis/Abscess ICD-9 code | 305 (67.9) | 101 (62.0) | 42 (35.3) | 448 (61.3) |
Cellulitis/Abscess ICD-9 code, body site specific | 267 (59.5) | 86 (52.8) | 35 (29.4) | 388 (53.1) |