Table 1 Characteristics of severely injured patients with and without mechanical complications of invasive emergency procedures.

From: Mechanical complications and outcomes following invasive emergency procedures in severely injured trauma patients

 

Total (n = 526)

Any complication <24 h (n = 138)

No complication <24 h (n = 388)

Univariate p value

Age, years; mean (SD)

51 (22)

49 (20)

51 (22)

0.248

Male; n (%)

372 (70.7)

99 (71.7)

273 (70.4)

0.760

BMI; mean (SD)

25.8 (4.1)

26.0 (4.3)

25.7 (4.0)

0.390

ASA class >2; n (%)

85 (16.2)

18 (13.0)

67 (17.3)

0.247

Pre-injury anticoagulation; n (%)

74 (14.1)

16 (11.6)

58 (14.9)

0.330

Admission daytime 8am–7pm; n (%)

372 (70.1)

96 (69.6)

272 (70.3)

0.874

ISS; mean (SD)

27.8 (12.4)

32.7 (14.2)

26.1 (11.2)

<0.001

AIS head >3; n (%)

166 (31.6)

46 (33.3)

120 (30.9)

0.602

Out-of-hospital airway management; n (%)

239 (45.4)

97 (70.3)

142 (36.6)

<0.001

Admission SBP, mmHg; mean (SD)

120 (36)

110 (40)

123 (34)

0.001

Admission temperature <35.2 °C; n (%)

35.4 (1.5)

35.2 (1.6)

35.6 (1.4)

0.012

Admission Hb, mmol/L; mean (SD)

7.47 (1.54)

7.13 (1.62)

7.59 (1.49)

0.004

Admission BE, mmol/L; mean (SD)

−2.77 (5.25)

−4.38 (5.61)

−2.20 (5.01)

<0.001

Admission Lactate, mmol/L; mean (SD)

3.1 (3.2)

3.8 (3.7)

2.9 (2.9)

0.006

Red blood cells <24 h; mean (SD)

2.8 (7.8)

4.8 (11.4)

2.1 (5.7)

0.008

Noradrenaline <24 h, μg/kg/min; mean (SD)

0.23 (0.42)

0.37 (0.52)

0.18 (0.37)

<0.001

Time to surgery <24 h, h; mean (SD)

1.54 (3.57)

1.36 (2.80)

1.61 (3.81)

0.475

Ventilator days; mean (SD)

4.9 (8.4)

7.7 (10.6)

3.8 (7.3)

<0.001

ICU LOS, days; mean (SD)

10.4 (13.4)

14.2 (15.3)

9.1 (12.4)

<0.001

24 h mortality; n (%)

41 (7.8)

16 (11.6)

25 (6.4)

0.053

30 day mortality; n (%)

86 (16.3)

29 (21.0)

57 (14.7)

0.084

  1. CI; confidence interval, SD; standard deviation, BMI; body mass index, ISS; injury severity score, ASA; American Society of Anesthesiologists, AIS; abbreviated injury severity. SBP; systolic blood pressure, Hb; hemoglobin, BE; base excess, ICU LOS; intensive care unit length of stay; italicized p values indicate statistical significance (p < 0.05).