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Table 1 Patient characteristics

From: Prophylactic PICO dressing shortens wound dressing requirements post emergency laparotomy (EL-PICO trial)

 

Conventional dressing

N = 49 (%)

PICO dressing

N = 47 (%)

Total

N = 96 (%)

P valuea

Age

   

0.990

< 65

23 (46.9)

22 (46.8)

45 (46.9)

 

≥ 65

26 (53.1)

25 (53.2)

51 (53.1)

 

Sex

   

0.983

Male

27 (55.1)

26 (55.3)

53 (54.2)

 

Female

22 (44.9)

21 (44.7)

43 (44.8)

 

BMI (kg/m2)

   

0.280

Underweight (< 18.0)

7 (14.3)

3 (6.4)

10 (10.4)

 

Normal (18.0–24.9)

25 (51.0)

22 (46.8)

47 (48.9)

 

Overweight (25.0–29.9)

12 (24.5)

19 (40.4)

31 (32.3)

 

Obese (> 30.0)

5 (10.2)

3 (6.4)

8 (8.3)

 

Smoker

6 (12.2)

5 (10.6)

11 (11.5)

0.805

DM

6 (12.2)

10 (21.3)

16 (16.6)

0.235

IHD/CCF

4 (8.2)

3 (6.4)

7 (7.3)

0.877

CVA

3 (6.1)

4 (8.5)

7 (7.3)

0.362

BA/COPD

4 (8.2)

1 (2.1)

5 (5.2)

0.653

CKD/ESRF

2 (4.0)

2 (4.2)

4 (4.2)

0.976

Active malignancy

10 (20.4)

4 (8.5)

14 (14.6)

0.099

ASA

   

0.664

1

20 (40.8)

24 (51.1)

44 (45.8)

 

2

17 (34.7)

12 (25.5)

29 (30.2)

 

3

8 (18.4)

7 (14.9)

16 (16.7)

 

4

3 (6.1)

4 (8.5)

7 (7.3)

 

Preoperative albumin

   

0.674

≤ 35

32 (65.3)

28 (59.6)

60 (62.5)

 

> 35

17 (34.7)

19 (40.4)

36 (37.5)

 

Chemotherapy

5 (10.2)

1 (2.1)

6 (6.3)

0.102

Radiotherapy

4 (8.2)

1 (2.1)

5 (5.2)

0.183

Steroids

2 (4.1)

3 (6.4)

5 (5.2)

0.612

  1. %, percentage; ASA, American Society of Anesthesiologists’ Classification; BA, bronchial asthma; CCF, congestive cardiac failure; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; CVA, history of cerebrovascular accident; DM, diabetes; ESRF, end stage renal failure; IHD, ischemic heart disease; N, number
  2. aChi square test; P < 0.05 denotes statistical significance