Table 1 Baseline characteristics of the LT-BI and non LT-BI groups

Age (year), mean ± SD

62 ± 20

54 ± 22

<0.001^*

Female, n (%)

599 (32)

1,272 (28)

0.003^†

pSBP (mmHg), mean ± SD

152 ± 40

129 ± 35

<0.001^*

pHR (beats/min), mean ± SD

84 ± 23

90 ± 24

<0.001^*

Chest AIS ≥ 4, n (%)

158 (9)

957 (21)

<0.001^†

Abdomen AIS ≥ 4, n (%)

10 (0.5)

154 (3)

<0.001^†

Extremity AIS ≥ 4, n (%)

36 (2)

292 (7)

<0.001^†

ISS, median (IQR)

25 (25, 29)

22 (16, 34)

<0.001^‡

Hospital mortality, n (%)

1,075 (58)

982 (22)

<0.001^†