Table 4.
Risk of SAD associated with an inadequate response to individual serotypes.
| Serotype | Adequate response | No. with SAD % (n) | RR for SAD | P-value |
|---|---|---|---|---|
| 1 | No | 26·3 (5/19) | 2·41 (0·83–7·01) | 0·08 |
| Yes | 10·9 (6/55) | 1·0 | ||
| 3 | No | 31·6 (6/19) | 3·47 (1·20–10·09) | 0·02* |
| Yes | 9·1 (5/55) | 1·0 | ||
| 4 | No | 53·8 (7/13) | 8·21 (2·81–24·00) | < 0·01** |
| Yes | 6·6 (4/61) | 1·0 | ||
| 5 | No | 25·0 (7/28) | 2·88 (0·92–8·95) | 0·05 |
| Yes | 8·7 (4/46) | 1·0 | ||
| 6B | No | 19·2 (10/52) | 4·23 (0·58–31·08) | 0·08 |
| Yes | 4·5 (1/22) | 1·0 | ||
| 7 | No | 33·3 (3/9) | 2·71 (0·88–8·38) | 0·10 |
| Yes | 12·3 (8/65) | 1·0 | ||
| 9V | No | 36·4 (8/22) | 6·30 (1·84–21·56) | < 0·01** |
| Yes | 5·8 (3/52) | 1·0 | ||
| 14 | No | 28·6 (6/21) | 3·03 (1·03–8·86) | 0·04* |
| Yes | 9·4 (5/53) | 1·0 | ||
| 15 | No | 50·0 (8/16) | 9·67 (2·89–32·29) | < 0·01** |
| Yes | 5·2 (3/58) | 1·0 | ||
| 18C | No | 45·5 (5/11) | 4·77 (1·76–12·96) | < 0·01** |
| Yes | 9·5 (6/63) | 1·0 | ||
| 19F | No | 25·0 (9/36) | 4·75 (1·10–20·51) | 0·04* |
| Yes | 5·3 (2/38) | 1·0 | ||
| 23F | No | 28·9 (11/38) | n.a. | < 0·01** |
| Yes | 0·0 (0/36) | n.a. |
*
P < 0·05;
**
P < 0·01 Fisher’s exact test; n.a.: not available.