Clinical profile and outcome of acute organophosphate poisoning in children of Upper Egypt: a cross-sectional study

Table 5 Multiple linear regression analysis of independent risk factors of mortality

Variable	β	Standard error	Hazard ratio	Confidence Interval 95%	P Value
Time to presentation (hours)	−0.127	0.030	0.881	0.831–0.934	< 0.001
Glasgow coma scale	0.036	0.006	1.037	1.025–1.048	< 0.001
Need for MV	0.158	.041	1.314	1.219–1.436	< 0.001
Duration of hospital stay (days)	0.008	0.019	1.008	0.971–1.047	NS
Leucocytes, × 10³/mL	0.169	.057	1.534	1.461–1.873	< 0.001
PaO2 mmHg	−0.033	0.008	1.033	1.017–1.049	< 0.001
Cumulative atropine dose (mg)	0.003	0.002	1.003	0.998–1.007	NS
Cumulative pralidoxime dose (gm)	0.187	0.039	1.205	1.115–1.302	< 0.001

MV Mechanical ventilation, PaO2 Partial pressures of oxygen, P value significant < 0.05; NS Non significant

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