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Table 1 Demographic characteristics of the SSL and MSL groups

From: Single-staged laparotomy versus multiple-staged laparotomy for traumatic massive hemoperitoneum with hemodynamic instability: a single-center, propensity score-matched analysis

 

Before matching

After matching

SSL group

MSL group

p value

SSL group

MSL group

p value

Patients, n

141

29

 

27

27

 

Age, y, median (IQR)

44 (22–61)

51 (30–68)

0.224

49 (25.5–63)

49 (27.5–65.5)

0.797

Male, n (%)

109 (77.3)

18 (62.1)

0.130

20 (74.1)

16 (59.3)

0.248

Penetrating injury, n (%)

12 (8.5)

2 (6.9)

0.773

4 (14.8)

2 (7.41)

0.386

Glasgow Coma Scale score, median (IQR)

14 (12–15)

9 (3–13)

0.000

12 (3–14)

9 (3–12.5)

0.445

Systolic blood pressure (mmHg), median (IQR)

84 (70–100)

80 (53–90)

0.051

79 (60–97.5)

77 (46.5–88)

0.228

Injury severity score, median (IQR)

29 (21–42)

38 (33–45)

0.004

35 (25.5–45)

38 (31.5–45)

0.739

Operative time, median (IQR)a

144 (96.5–191)

117.5 (93.75–163.5)

0.011

175 (117–214.5)

117.5 (89.25–161.5)

0.011

AIS, n (%)

 AIS head/neck > 3

17 (12.1)

2 (6.9)

0.422

4 (14.8)

2 (7.41)

0.386

 AIS chest > 3

31 (22.0)

13 (44.8)

0.001

8 (29.6)

11 (40.7)

0.393

 AIS abdomen > 3

116 (82.2)

26 (89.7)

0.329

23 (85.2)

25 (92.6)

0.386

 AIS extremity > 3

6 (4.3)

4 (13.8)

0.047

2 (7.4)

4 (14.8)

0.386

  1. AIS Abbreviated Injury Scale, IQR Interquartile range, MSL Multiple-staged laparotomy, SSL Single-staged laparotomy
  2. aThree cases that underwent laparotomy in the ER did not have their operative time documented