Table 4. Serial renal function changes and comparison for matched pairs within each group.

Variables		Baseline	After 12 hr	P valuea	Effect size (d)	Baseline	After 48 hr	P valuea	Effect size (d)	Baseline	After 1 mon	P valuea	Effect size (d)
Cr, mg/dL
	Control	1.51 ± 0.35	1.32 ± 0.29	< 0.001	−0.57	1.54 ± 0.38	1.53 ± 0.67	0.913	−0.02	1.52 ± 0.38	1.62 ± 0.57	0.125	0.20
	Sarpogrelate	1.71 ± 0.72	1.61 ± 0.75	0.041	−0.13	1.78 ± 0.72	1.84 ± 0.91	0.361	0.07	1.65 ± 0.57	1.63 ± 0.65	0.853	−0.03
eGFR, mL/min/1.73m2
	Control	47.1 ± 9.8	54.7 ± 11.7	< 0.001	0.68	46.4 ± 10.1	50.6 ± 15.3	0.066	0.31	47.1 ± 10.2	46.0 ± 14.5	0.590	−0.04
	Sarpogrelate	42.0 ± 14.9	45.6 ± 17.6	0.013	0.21	40.3 ± 14.6	39.9 ± 18.3	0.834	−0.02	42.6 ± 14.4	44.7 ± 19.7	0.437	0.12

Cr = creatinine, eGFR = estimated glomerular filtration rate.

^aP value for the paired t-test.