Table 2.

Epidemiologic and clinical features in patients with negative and positive cell responses after receiving the second vaccine dose.

Characteristics	Negative cell response (n=8)	Positive cell response (n=20)	p-value
Male/Female, n	4/4	11/9	ns
Age, n < 12 years > 12 years	4 4	5 5	ns
Post-transplant time, years	14.2 [IQR 8.4-15.4]	12.6 [IQR 7.3-15.8]	ns
Tacrolimus blood levels, ng/ml	4.7 [IQR 4.7-5.3]	3.9 [IQR 3.2-4.6]	ns
Treatment combinations, n Tacrolimus Pred + Tacrolimus Pred + Tacrolimus + MMF Other	1 6 1 0	2 12 3 5	ns
Dysfunctional graft, n	1	5	ns

IQR, interquartile range; MMF, mycophenolate mofetil; ns, statistically not significant; Pred, low dose methylprednisolone.