Table 3 Predictors of prolonged LOS according to univariate and multivariate logistic regression analysis

Age(in years)

< 5

250 (73.1)

5-10

92 (26.9)

3.85

(3.17-4.65)

0.011

2.87

(1.23-5.86)

0.004

Sex

Males

198 (57.9)

Females

144 (42.1)

1.82

(0.99-3.34)

0.056

2.12

(1.90-3.21)

0.177

Pre-existing illness

Present

8 (2.3)

Absent

334 (97.7)

2.29

(0.67-5.78)

0.088

0.26

(0.16-1.95)

0.456

Timing of care

¿ 24 h

246 (71.9)

> 24 h

96 (28.1)

14.43

(7.33-29.67)

0.002

3.54

(1.32-6.71)

0.006

Type of burn

Scald

192 (56.1)

Flame

138 (40.4)

1.21

(1.114-2.65)

0.032

1.61

(1.53-2.32)

< 0.001

Chemical

5 (1.5)

1.83

(0.81-4.11)

0.1

0.42

(0.21-0.95)

< 0.001

Electrical

3 (0.9

2.52

(1.32-3.81)

0.043

0.90

(0.93-0.98)

< 0.001

Contact

4 (1.2)

1.87

(1.01-2.69)

0.071

2.11

(1.03-2.42)

< 0.001

Clothing ignition

Yes

38 (11.1

No

304 (88.9)

2.21

(1.42-5.62)

0.023

1.73

(1.11-4.86)

0.014

Associated injuries

Present

6 (1.8)

Absent

336 (98.2)

9.34

(5.3-17.93)

0.003

1.71

(1.21-3.33)

0.035

TBSA (%)

< 40

322 (94.2)

¿ 40

20 (5.8)

2.38

(1.67-5.61)

0.002

2.97

(2.08-3.98)

0.010

Inhalation injury

Present

5(1.5)

Absent

337 (98.5)

1.06

(0.65-1.98)

0.038

0.27

(0.01-1.31)

0.058

Burn depth

Superficial

164 (48.0)

Deep

98(28.7)

0.32

(0.18-2.12)

0.953

0.21

(0.11-.3.91)

0.897

Mixed

80(23.4

1.94

(0.53-2.63)

0.212

1.85

(1.13-2.11)

0.065

Severity

Moderate

194 (56.7)

Severe

148(43.3)

0.26

(0.11-0.93)

0.001

4.32

(2.65-8.39)

0.011

HIV status

Positive

8 (2.3)

Negative

334 (97.7)

0.56

(0.21-1.93)

0.111

2.09

(1.23-2.98)

0.981

CD 4 + count

< 200

3 (37.5)

¿200

5(62.5)

0.93

(0.52-1.99)

0.123

1.33

(0.54-2.23)

0.072