Table 2.

Comparison of RV-specific IgA Among RV1 Vaccine Failures and Community Controls

	RV1 Vaccine Failures	Community Controls	P
Undetectable RV-specific IgA	55/117	41/119	.05a
n, % (95% CI)	47 (38–56)	34 (26–44)
RV-specific IgA <20 U/mL	89/117	66/119	.001a
n, % (95% CI)	76 (67–83)	55 (46–64)
RV-specific IgA concentrationb Median (IQR) U/mL	18.1 (7.1–53.1) U/mL	48 (14.5–146.7) U/mL	.01c

Abbreviations: IgA, immunoglobulin A; CI, confidence interval; RV, rotavirus; RV1, monovalent oral rotavirus vaccine.

χ² test.

In infants with detectable RV-specific IgA.

Wilcoxon rank-sum test.