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Table 4 Patient characteristics of patients with isolated renal trauma and multiple trauma

From: Trends and outcomes of blunt renal trauma management: a nationwide cohort study in Japan

 

Isolated renal trauma

Multiple trauma

 

Characteristics

n = 509

n = 3041

P value

Age, median, Q1–Q3

36

17–62

43

24–66

< 0.001

Age group, n (%)

    

< 0.001

 < 20 years

155

(30.5)

452

(14.9)

 

 20–64 years

240

(47.2)

1777

(58.4)

 

 ≥ 65 years

114

(22.4)

812

(26.7)

 

Male sex, n (%)

368

(72.2)

2267

(74.5)

0.308

Mechanism, n (%)

    

< 0.001

 Car accident

30

(5.9)

526

(17.3)

 

 Motorcycle accident

52

(10.2)

745

(24.5)

 

 Bicycle accident

37

(7.3)

234

(7.7)

 

 Pedestrian accident

6

(1.2)

347

(11.4)

 

 Fall from height

32

(6.3)

584

(19.2)

 

 Fall down stairs

79

(15.5)

244

(8.0)

 

 Fall on the ground

137

(26.9)

128

(4.2)

 

 Sports-related injury

93

(18.3)

52

(1.7)

 

 Others

43

(8.4)

181

(6.0)

 

ISS, median, Q1–Q3

9

9–16

25

17–36

< 0.001

Shock on arrival, n (%)

18

(3.7)

387

(12.7)

< 0.001

AAST grade

    

< 0.001

 I

81

(15.9)

1,327

(43.6)

 

 II

25

(4.9)

333

(11.0)

 

 III

238

(46.8)

801

(26.3)

 

 IV

147

(28.9)

449

(14.8)

 

 V

18

(3.5)

131

(4.3)

 

Management, n (%)

 Emergency abdominal angiography

179

(35.2)

1,010

(33.2)

0.416

 Nephrectomy

20

(3.9)

116

(3.8)

0.999

Mortality, n (%)

7

(1.4)

330

(10.9)

< 0.001

  1. ISS Injury Severity Score, AAST American Association for the Surgery of Trauma