Table 2.
Infant and Maternal Characteristics of Congenital Rubella Syndrome Cases Identified at Sentinel Surveillance Sites, South Africa, 2010–2017
| Retrospective Phase: 2010–2014 (N = 42) | Prospective Phase: 2015–2017 (N = 53) | |
|---|---|---|
| Infant | ||
| Age group, n (%) | ||
| 0 to 1 month | 14 (33%) | 27 (51%) |
| 2 to ≤3 months | 18 (43%) | 18 (34%) |
| 4 to ≤6 months | 9 (22%) | 6 (11%) |
| 6 to 11 months | 1 (2%) | 2 (4%) |
| Unknown | 0 (0%) | 0 (0%) |
| Sex, n (%) | ||
| Females | 16 (38%) | 28 (53%) |
| Males | 26 (62%) | 25 (47%) |
| Gestational age, n (%) | ||
| Preterm | 13 (31%) | 18 (34%) |
| Term | 17 (40%) | 29 (55%) |
| Unknown | 12 (29%) | 6 (11%) |
| Mortality | ||
| Alive | 20 (48%) | 39 (74%) |
| Died | 3 (7%) | 8 (15%) |
| Unknown | 19 (45%) | 6 (11%) |
| Maternal | ||
| Age (median(range)) | 21 years (14–38) | 22 years (15–38) |
| Reported, n (%) | 23 (55%) | 40 (75%) |
| Unknown, n (%) | 19 (45%) | 13 (25%) |
| Parity, n (%) | ||
| 1 | 18 (43%) | 20 (38%) |
| 2–7 | 14(33%) | 18 (34%) |
| Unknown | 10 (24%) | 15 (28%) |
| Rubella vaccination, n (%) | ||
| Yes | 0 (0%) | 0 (0%) |
| No | 0 (18%) | 11 (21%) |
| Unknown | 42 (82%) | 42 (79%) |
| Rash during pregnancy | ||
| Yes | 6 (14%) | 6 (11%) |
| No | 2 (5%) | 13 (25%) |
| Unknown | 34 (81%) | 34 (64%) |
Unknown refers to cases that had no information available in the medical records.