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Table 4 Predictors of mortality according to univariate and multivariate logistic regression analysis

From: Pattern of childhood burn injuries and their management outcome at Bugando Medical Centre in Northwestern Tanzania

Predictor variable

N (%)

Univariate analysis

Multivariate analysis

  

OR

95% C.I.

P -value

OR

95% C.I.

P -value

Age(in years)

< 5

250 (73.1)

      

5-10

92 (26.9)

2.67

(1.41-5.66)

0.021

4.61

(2.98-8.87)

0.001

Sex

Males

198 (57.9)

      

Females

144 (42.1)

0.43

(0.12-1.11)

0.065

0.23

(0.11-1.33)

0.431

Pre-existing illness

Present

8 (2.3)

      

Absent

334 (97.7)

1.22

(0.91-2.12)

0.025

1.34

(0.12-1.45)

0.056

Timing of care

¿ 24 h

246 (71.9)

      

> 24 h

96 (28.1)

1.98

(0.77-2.11)

0.048

0.96

(0.81-1.23)

0.098

Type of burn

Scald

192 (56.1)

      

Flame

138 (40.4)

1.76

(1.11-2.01)

0.112

0.04

(0.01-0.11)

< 0.001

Chemical

5 (1.5)

1.99

(1.13-2.11)

0.687

1.21

(1.10-2.09)

< 0.001

Electrical

3 (0.9

0.19

(0.03-0.83)

0.153

0.23

(0.11-0.56)

< 0.001

Contact

4 (1.2)

2.31

(2.01-2.89)

0.061

1.26

(1.06-1.51)

< 0.001

Clothing ignition

Yes

38 (11.1

      

No

304 (88.9)

0.04

(0.01-0.68)

0.032

0.91

(0.11-1, 76)

0.086

Associated injuries

Present

6 (1.8)

      

Absent

336 (98.2)

4.87

(3.44-8.92)

0.011

4.77

(2.81-8.94)

0.000

TBSA (%)

< 40

322 (94.2)

      

¿ 40

20 (5.8)

3.90

(2.93-6.93)

0.002

2.54

(1.69-7.44)

0.012

Inhalation injury

Present

5(1.5)

      

Absent

337 (98.5)

4.76

(2.09-7.77)

0.000

6.43

(4.21-9.39)

0.011

Burn depth

Superficial

164 (48.0)

      

Deep

98(28.7)

0.28

(0.11-1.21)

0.043

2.12

(0, 86-2.64)

0.098

Mixed

80(23.4

1.03

(0.83-1.75)

0.062

0.08

(0.02-1.21)

0.564

Severity

       

Moderate

194 (56.7)

      

Severe

148 43.3)

3.89

(2.11-7.93)

0.002

6.86

2.43-8.96)

0.000

HIV status

Positive

8 (2.3)

      

Negative

334 (97.7)

1.82

(0.22-1.99)

0.045

0.71

(0.12-1.99)

0.087

Stigmata of AIDS

Present

2(25.0%)

      

Absent

6 (75.0%)

2.87

(1.92-6.66)

0.012

3.34

(1.83-4.76)

0.004

CD 4 + count

< 200

3 (37.5)

      

¿200

5(62.5)

1.34

(1, 11-4.78)

0.003

2.98

(2.06-5.98)

0.001