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| | |
Conservative (n = 67)
|
Split-thickness skin graft (n = 119)
|
Total (n = 186)
|
p value
|
Test
|
|---|
|
n
|
%a
|
n
|
%a
| | | | |
|---|
|
Gender
|
Females
|
31
|
46.3
|
47
|
39.5
|
78
|
41.9
|
0.369
|
Pearson’s chi-square (df = 1)
|
|
Males
|
36
|
53.7
|
72
|
60.5
|
108
|
58.1
| | |
|
Age
|
Median (IQR)
|
5.70 (2.40–12.10)
|
5.10 (1.80–10.00)
|
5.30 (1.90–10.50)
|
0.403
|
Mann-Whitney
|
|
TBSA (%)b
|
Median (IQR)
|
2.00 (1.00–5.00)
|
4.00 (1.50–8.00)
|
3.00 (1.00–7.00)
|
0.005
|
Mann-Whitney
|
|
Fitzpatrick skin typec
|
1
|
0
|
0
|
3
|
2.6
|
3
|
1.7
|
0.285
|
Pearson’s chi-square (df = 5)
|
|
2
|
16
|
24.6
|
17
|
14.7
|
33
|
18.2
| |
|
3
|
29
|
44.6
|
59
|
50.9
|
88
|
48.6
| | |
|
4
|
9
|
13.8
|
19
|
16.4
|
28
|
15.5
| | |
|
5
|
4
|
6.2
|
11
|
9.5
|
15
|
8.3
| | |
|
6
|
7
|
10.8
|
7
|
6.0
|
14
|
7.7
| | |
|
Asthmad
|
Yes
|
5
|
7.8
|
17
|
14.3
|
22
|
12.0
|
0.199
|
Pearson’s chi-square (df = 1)
|
|
Eczemae
|
Yes
|
8
|
12.5
|
15
|
12.6
|
23
|
12.6
|
0.984
|
Pearson’s chi-square (df = 1)
|
|
Diabetesf (type 1 or type 2)
|
Yes
|
0
|
0.0
|
0
|
0.0
|
0
|
0.0
|
N/A
|
Pearson’s chi-square (df = 1)
|
|
External cause of burng
|
Flame
|
3
|
4.5
|
27
|
22.9
|
30
|
16.3
|
0.003
|
Pearson’s chi-square (df = 6)
|
|
Contact
|
18
|
27.3
|
39
|
33.1
|
57
|
31.0
| |
|
Scald
|
41
|
62.1
|
46
|
39.0
|
87
|
47.3
| | |
|
Sunburn or radiation
|
1
|
1.5
|
0
|
0.0
|
1
|
0.5
| | |
|
Chemical
|
0
|
0.0
|
0
|
0.0
|
0
|
0.0
| | |
|
Friction
|
3
|
4.5
|
6
|
5.1
|
9
|
4.9
| | |
|
Electrical
|
0
|
0.0
|
0
|
0.0
|
0
|
0.0
| | |
|
Burn location
|
Head/neck
|
15
|
22.4
|
17
|
14.3
|
32
|
17.2
|
0.160
|
Pearson’s chi-square (df = 1)
|
|
Chest/abdomen/groin
|
26
|
38.8
|
36
|
30.3
|
62
|
33.3
|
0.235
|
Pearson’s chi-square (df = 1)
|
|
Back/buttocks
|
10
|
14.9
|
15
|
12.6
|
25
|
13.4
|
0.656
|
Pearson’s chi-square (df = 1)
|
|
Arm
|
20
|
29.9
|
41
|
34.5
|
61
|
32.8
|
0.521
|
Pearson’s chi-square (df = 1)
|
|
Hand
|
18
|
26.9
|
27
|
22.7
|
45
|
24.2
|
0.523
|
Pearson’s chi-square (df = 1)
|
|
Leg
|
20
|
29.9
|
51
|
42.9
|
71
|
38.2
|
0.080
|
Pearson’s chi-square (df = 1)
|
|
Foot
|
8
|
11.9
|
18
|
15.1
|
26
|
14.0
|
0.548
|
Pearson’s chi-square (df = 1)
|
|
Genitalia
|
2
|
3.0
|
5
|
4.2
|
7
|
3.8
|
0.676
|
Pearson’s chi-square (df = 1)
|
|
Multiple surgical procedures
|
>1 surgical procedure
|
0
|
0.0
|
25
|
21.0
|
25
|
13.4
|
<0.0001
|
Pearson’s chi-square (df = 1)
|
|
Healed in 14 daysh
|
Yes
|
30
|
52.6
|
25
|
24.3
|
55
|
34.4
|
<0.0001
|
Pearson’s chi-square (df = 1)
|
|
Wound complicationsi
|
Yes
|
15
|
23.1
|
52
|
46.4
|
67
|
37.9
|
0.002
|
Pearson’s chi-square (df = 1)
|
|
Length of stayj (days)
|
Median (IQR)
|
2.00 (0.00–6.25)
|
12.00 (4.00–21.00)
|
7.00 (1.00–16.00)
|
<0.0001
|
Mann-Whitney
|
|
Scar height (SH)
|
0 mm (normal–flat)
|
40
|
59.7
|
20
|
16.8
|
60
|
32.3
|
<0.0001
|
Pearson’s chi-square (df = 2)
|
|
>0 to 1 mm (scar evident but not raised)
|
14
|
20.9
|
48
|
40.3
|
62
|
33.3
| | |
|
>1 mm OR scar recon/steroids/laser (raised scar)
|
13
|
19.4
|
51
|
42.9
|
64
|
34.4
| | |
-
aColumn percentage
-
bMissing data, n = 1
-
cMissing data, n = 5
-
dMissing data, n = 3
-
eMissing data, n = 3
-
fMissing data, n = 3
-
gMissing data, n = 2
-
hMissing data, n = 26
-
iMissing data, n = 9
-
jMissing data, n = 3