Effect of alprostadil in the treatment of intensive care unit patients with acute renal injury

Table 3 Comparison of renal function indices between the two groups (mean ± SD)

Group	n	Renal resistance index		Partial pressure of oxygen in urine (mmHg)
		Before treatment	7 d after treatment	Before treatment	7 d after treatment
Alprostadil group	50	0.74 ± 0.06	0.65 ± 0.05ab	51.32 ± 10.32	65.06 ± 9.04ab
Control group	50	0.73 ± 0.07	0.68 ± 0.06a	52.40 ± 9.64	59.25 ± 8.75a
T value		0.767	-2.716	-0.541	3.265
P value		0.445	0.008	0.590	0.002

^aP < 0.05, compared with this group before treatment.

^bP < 0.05, compared with the control group.