Table 1

Groups	Total number ^a Positive (%)	MCA(SD) ^b EU/mL	CI ₉₅	P value for MCA levels
Group A before boosting	114/79(69.3)	68.19(38.46)	60.15-77.43	Group A vs. B. P<0.0001
Group B 4-6 wks after	113/106(93.8)	152.82(70.31)	137.6-164.6	Group B1vs. B2. P=0.776
B₁: Seronegative women before	32/31(96.87)	154.58(64.19)	132.90-177.20
B₂: Seropositive women before	75/81(92.6)	149.81(73.18)	130.90-166.80	Group A vs.C. P<0.0001
Group C 12 months after	97/80(82.4)	107.00(44.75)	97.08-117.00	Group A vs.D. P<0.001
Group D 28 months after	68/52(76.5)	91.38(40.10)	80.22-102.50	Group D vs. E, P=ns
Group E: 43 months after	47/34(72.3)	76.71(26.49)	67.46-85.95	Group A vs. E, P<0.05

^aP value differences between seropositive subjects in each studied group: A vs. B: P<0.0001; A vs. C: P<0.05; A vs. D: P=ns; A vs. E: P=ns
^bMCA: mean concentration of antibodies

Table 1: Immunologic responses of studied women to one dose of dTaP booster immunization, and the kinetics of seroimmunity during 43 months study period. Sari – Iran 2008-2011.