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. 2019 Oct 23;21(10):e14791. doi: 10.2196/14791

Table 4.

Reported symptoms following immunization by method of survey completion (participant or study site staff member) and gender.

Method, vaccine type, and gender Participant-completed surveys (n=4549)a, n (%) Study site-completed surveys (n=123)b, n (%) P value
Overall AEFIc rate



23vPPV recipients 779 (34.09) 26 (47.27) .04

Saline recipients 232 (10.25) 8 (11.76) .69
AEFI rate by gender



Female




23vPPV recipients 424 (37.89) 9 (47.37) .40


Saline recipients 136 (12.3) 5 (15.6) .57

Male




23vPPV recipients 355 (30.45) 17 (47.22) .03


Saline recipients 96 (8.3) 3 (8.3) .99

aDenominators: F=2323, M=2226. Vaccine recipients by gender. 23V PPV: M=1166, F=1119. Saline: F=1107, M=1157.

bDenominators: F=51, M=72. Vaccine doses by gender. 23V PPV: M=36, F=19. Saline: F=32, M=36.

cAEFI: adverse events following immunization.