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Table 1 Patient’s demographic and clinical characteristics

From: The radiographic soft tissue thickness is associated with wound complications after open reduction and internal fixation of patella fractures

Characteristics

Total (n = 237)

Gender

 Male (%)

120 (50.6)

 Female (%)

117 (49.4)

Age, years (mean ± SD)

53.1 ± 13.2

BMI, kg/m2 (mean ± SD)

24.4 ± 3.1

Hypertension (%)

56 (23.6)

Diabetes (%)

34 (14.3)

Smoking history (%)

32 (13.5)

AO/OTA classification

 34C-1 (%)

143 (60.3)

 34C-2 (%)

69 (29.1)

 34C-3 (%)

25 (10.5)

Time to X-ray test, days (mean ± SD)

1.8 ± 1.6

Time to operation, days (mean ± SD)

5.9 ± 2.8

Preoperative level of CRP, mg/L (mean ± SD)

8.9 ± 13.1

Surgeon

Surgeon 1 (%)

70 (29.5)

Surgeon 2 (%)

49 (20.7)

Surgeon 3 (%)

66 (27.8)

Surgeon 4 (%)

52 (21.9)

fPSTTR (mean ± SD)

0.94 ± 0.17

tPSTTR (mean ± SD)

0.66 ± 0.16

  1. n Number, SD,Standard deviation, BMI Body mass index, CRP C-reactive protein, PSTTR Periarticular soft tissue thickness ratio, fPSTTR Femoral PSTTR, tPSTTR Tibial PSTTR