Table 5.

Trough concentrations of belatacept

4-Week Schedule			8-Week Schedule
Months after Transplantation	n	Trough Concentration (μg/ml) Geometric Mean (CV%)	Months after Transplantation	n	Trough Concentration (μg/ml) Geometric Mean (CV%)
13	49	3.43 (55)	13	24	0.13 (128)
24	46	3.95 (52)	25	38	0.14 (97)
36	39	4.76 (43)	37	30	0.19 (193)
48	24	4.43 (52)	49	20	0.21 (150)
60	15	4.85 (36)	59	15	0.17 (93)

Patients received a 5-mg/kg infusion 4 or 8 weeks before sample collection. n = number of individual patient samples available for analysis at database lock.