Table 3 Comparison of the characteristics of patients with blood type O versus those with other blood types.

From: The impact of blood type on the mortality of patients with severe abdominal trauma: a multicenter observational study

 

Type O, n = 288

Non-O type, n = 632

p-value

Characteristics

Age, median [IQR]

48 [30–68]

45 [29–65]

0.190

Male, n (%)

191 (66.3)

451 (71.4)

0.141

Blunt trauma, n (%)

260 (90.3)

573 (90.1)

0.324

RTS, median [IQR]

6.90 [4.45–7.84]

7.84 [6.68–7.84]

< 0.001

ISS, median [IQR]

15 [16–24]

14 [14–24]

0.067

AIS head, median [IQR]

0 [0–1]

0 [0–0]

0.121

AIS face, median [IQR]

0 [0–0]

0 [0–0]

0.323

AIS chest, median [IQR]

2 [0–2]

1 [0–2]

0.073

AIS abdomen, median [IQR]

4 [3, 4]

3 [3, 4]

0.290

AIS pelvis, median [IQR]

2 [0–2]

0 [0–2]

0.062

AIS surface, median [IQR]

0 [0–1]

0 [0–1]

0.511

Interventions

Surgery, n (%)

62 (21.5)

92 (14.6)

< 0.001

IVR, n (%)

40 (13.9)

61 (9.7)

< 0.001

Both, n (%)

31 (10.8)

43 (6.8)

< 0.001

  1. Categorical variables are expressed as numbers (%), while continuous variables are presented as medians (25th–75th percentiles).
  2. RTS revised trauma score, ISS injury severity score, AIS abbreviated injury scale, IQR interquartile range, IVR interventional radiology.
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