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Table 1 Serological findings and general clinical and demographic data according to study year: seropositive = >10 IU/mL; low titer = 10–15 IU/mL; GA – gestational age in weeks; age sampling – mean age of sampling in days; BP % – percentage of subjects havinh received blood/blood products; maternal age – mean age of mothers; SD standard deviation, CI confidence interval

From: Rubella immune status of neonates – a window towards seroprevalence among childbearing women

  Total 2010 2011 p
Serological findings
 Seropositive (%) 540/599 (90.2 %) 380/406 (93.6 %) 160/193 (82.9 %) <0.0001
 Mean IgG titer (SD) 71 IU/mL (62) 79 IU/mL (62) 46 IU/mL (57) <0.0001
 % low titer IgG (95 % CI) 5 (3.5–7) 4.9 (3.2–7.5) 5.2 (2.8–9.2) -- a
Clinical and demographic data
 Male No (%) 311 (51.4 %) 201 (49.6 %) 104 (53.6 %) --
 Female No (%) 294 (48.6 %) 204 (50.4 %) 90 (46.4 %) --
 GA (SD) 32.7 (3.8) 32.5 (3.9) 32.9 (3.5) --
 Mean age of neonates (SD) 18.6 (22.1) 20.1 (24.3) 16.9 (19.2) --
 BP % (95%CI) 34.7 (31.0–38.6) 35.1 (30.6–39.8) 32.6 (26.4–39.5) --
 Maternal age in years (range) 30.2 (15–48) 30.1 (16–48) 30.3 (15–45) --
  1. aindicates no statistically significant difference