Table 3:

Weighted Logistic Regression Predicting Survival

	Weighted Logistic Regression
	Odds Ratio	95% CI	p-value
Surgery		2.40 – 11.44	<0.001
Age	1.09	0.93 – 1.26	0.3
Percent TBSA	0.94	0.91 – 0.97	<0.001
Time to Presentation
0–6 hrs	Ref	***	***
7–12 hrs	0.59	0.19 – 1.89	0.4
12–24 hrs	0.68	0.18 – 2.56	0.6
24–48 hrs	0.69	0.10 – 4.66	0.7
>48 hrs	0.51	0.16 – 1.66	0.3
Mechanism
Scald – Water	Ref	***	***
Scald – Grease	0.43	0.17 – 1.13	0.09
Flame	0.39	0.15 – 1.01	0.05
Transfused	0.30	0.12 – 0.76	0.01

C-statistic: 0.806, p=0.7

Akaike Information Criterion:

Full Model: 0.827

Final Model: 0.831

Bayesian Information Criterion:

Full Model: −1930.5

Final Model: −1979.7

Difference: 49.2