Table 1. Basic Characteristics of patients with PQ poisoning.

	Group A	Group B	Group C
	(C0≤200)	(200<C0≤300)	(C0>300)
	N = 21	N = 10	N = 54
C1 (ng/ml) * #	99.80 (61.37–120.71)	196.90 (129.77–217.55)	1149.00 (546.49–5510.20)
Gender (Male%)	33.3	60.0	37.0
Age (yr)	29.19±13.01	32.90±15.65	31.72±12.98
Time to gastric lavage (hr)	1.00 (0.50–1.75)	1.25 (0.50–3.75)	0.50 (0.50–2.00)
Time to HP (hr)	9.00 (5.25–18.00)	7.00 (5.88–10.50)	6.00 (5.00–8.88)
Volume (ml) * #	10.00 (5.00–17.50)	30.00 (10.00–50.00)	30.00 (10.00–80.00)
Survival time (days) *	196.00 (153.00–271.00)	236.50 (173.50–273.50)	3.00 (1.75–78.75)

^*: Comparison between Group A & C, p<0.05;

: Comparison between Group B & C, p<0.05;

^#: Comparison between Group A & B, p<0.05.