Table 1 Characteristics of the study population before matching and after matching

Gender

0.537^a

0.913^a

 Female

717 (64%)

78 (67%)

148 (66%)

77 (67%)

 Male

397 (36%)

38 (33%)

75 (34%)

38 (33%)

Age(years)

< 0.001^b

0.580^c

 Mean ± SD

74 ± 15

78 ± 11

78 ± 13

78 ± 11

Diagnosis

0.009^a

0.848^a

 AO 31B1-3

506 (45%)

38 (33%)

76 (34%)

38 (33%)

 AO 31A1-3

608 (55%)

78 (67%)

147 (66%)

77 (67%)

TFITA (hours)

0.033^c

0.012^b

Mean ± SD

20 ± 50

40 ± 76

20 ± 42

40 ± 76

High energy injury

0.269^a

0.933^a

 No

1,039 (93%)

105 (91%)

203 (91%)

105 (91%)

 Yes

75 (7%)

11 (9%)

20 (9%)

10 (9%)

D-dimer (FEU)

0.735^c

0.801^c

 Mean ± SD

11 ± 9

11 ± 9

11 ± 8

11 ± 9

ALB (g/l)

< 0.001^b

0.756^b

 Mean ± SD

39.8 ± 4.3

37.9 ± 4.6

38.1 ± 4.1

38.0 ± 4.5

HGB (g/l)

0.006^b

0.733^b

 Mean ± SD

118 ± 19

113 ± 20

114 ± 18

113 ± 20

PLT (10⁹/l)

0.944^c

0.857^b

 Mean ± SD

180 ± 70

180 ± 67

179 ± 79

181 ± 66

Comorbidities

0.870^a

0.774^a

 None

378 (34%)

39 (34%)

70 (31%)

38 (33%)

 1–2

524 (47%)

57 (49%)

107 (48%)

57 (50%)

 ≥ 3

212 (19%)

20 (17%)

46 (21%)

20 (17%)