Group	Case	Gender		Age	hospital days	hemoglobin	WBC	HCT	PLT
Group		Male	Femal	(year, $\bar{x} \pm s$ )	(d, $\bar{x} \pm s$ )	(g/l, $\bar{x} \pm s$ )	(×10⁹/l, $\bar{x} \pm s$ )	(%, $\bar{x} \pm s$ )	(×10⁹/l, $\bar{x} \pm s$ )
Control	160	87	73	51.6 ± 11.9	11.8 ± 2.6	131.6 ± 16.5	6.8 ± 2.1	38.4 ± 3.7	198.5 ± 48.2
Study	160	84	76	62.4 ± 13.8	17.6 ± 2.1	124.9 ± 36.1	10.7 ± 4.8	37.2 ± 4.1	197.6 ± 47.6
χ²/t	/	1.624		15.462	13.274	11.837	16.649	1.362	1.023
P	/	>0.05		<0.05	<0.05	<0.05	<0.05	>0.05	>0.05