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Table 1 Characteristics of youth identified by rule-based ICD-10 algorithm by SEARCH site

From: Determining diagnosis date of diabetes using structured electronic health record (EHR) data: the SEARCH for diabetes in youth study

Variable

Site A

Site B

Site C

Total

n = 1217

n = 1305

n = 1255

n = 3777

Age group in 2017 (years), n (%)

 0–4

50 (4.1)

50 (3.8)

93 (7.4)

193 (5.1)

 5–9

194 (15.9)

259 (19.8)

348 (27.7)

801 (21.2)

 10–14

459 (37.7)

438 (33.6)

453 (36.1)

1350 (35.7)

 15–19

514 (42.2)

558 (42.8)

361 (28.8)

1433 (37.9)

Mean age of diagnosis in years (SD)

8.9 (4.3)

8.7 (4.3)

7.3 (4.3)

8.3 (4.4)

Sex, n (%)

 Female

596 (49.0)

598 (45.8)

623 (49.6)

1817 (48.1)

 Male

621 (51.0)

707 (54.2)

632 (50.4)

1960 (51.9)

Race, n (%)

 White

959 (78.8)

835 (64.0)

862 (68.7)

2656 (70.3)

 Black

187 (15.4)

109 (8.4)

67 (5.3)

363 (9.6)

 Other/Unknown

71 (5.8)

361 (27.7)

326 (26.0)

758 (20.1)

Ethnicity, n (%)

 Hispanic

47 (3.9)

139 (10.7)

228 (18.2)

414 (11.0)

 Non-Hispanic or unknown

1170 (96.1)

1166 (89.3)

1027 (81.8)

3363 (89.0)

SEARCH diabetes type, n (%)

 Type 1

1009 (88.4)

1166 (90.3)

1165 (94.2)

3340 (91.0)

 Type 2

115 (10.1)

110 (8.5)

52 (4.2)

277 (7.5)

 Other (non-type 1 or type 2)

18 (1.6)

15 (1.2)

20 (1.6)

53 (1.4)

  1. Values are presented as mean (standard deviation) for continuous variables and count (%) for categorical variables