(a).

Group	Duration of assisted respiration	24 Hr average urine volume	24 Hr total drainage	Duration of staying in ICU	EF 10 days after operation
	(h)	(ml/h)	(ml)	(h)	(%)
Simvastatin group	9.92 ± 3.42∗	127.73 ± 41.02	770.18 ± 244.79	40.18 ± 13.19	58.9 ± 8.48∗
Control group	11.69 ± 4.79	114.77 ± 35.84	823.33 ± 313.10	43.17 ± 13.98	55.5 ± 7.03
t	−2.208	1.761	−0.994	−1.152	2.290
P	0.030	0.081	0.322	0.252	0.024