Selected Liver Markers in Predicting the Severity of Organophosphate and Carbamate Poisoning

Table 3

Differences of RBC cholinesterase and liver transaminases between POP groups.

Biochemical test	Mild-moderate; Z score (U)	r	Mild-severe; Z score (U)	r	Moderate-severe; Z score (U)	r
RBC cholinesterase	−6.23 (1228)	0.50	−4.05 (119)	0.43	−1.80 (247)	0.20
AST admission	−4.50 (1709)	0.36	−3.26 (189)	0.33	−1.69 (255)	0.19
ALT admission	−3.04 (2114)	0.25	−2.92 (219)	0.30	−1.13 (294)	0.13
AST discharge	−3.18 (1856)	0.26	−1.67 (252)	0.17	−0.52 (253)	0.06
Duration of hos. stay	−6.62 (1168)	0.50	−3.64 (168)	0.37	−2.18 (222)	0.25
No. of patients being ventilated	−6.96 (1547)	0.56	−8.96 (11)	0.91	−3.08 (187)	0.35

value is significant at 0.05/3 level; r = effect size; 0.1 = small effect; 0.3 = medium effect; 0.5 = large effect.