Median antibody levels before and after pneumococcal vaccination (nanograms IgG per ml) between lcSSc (n = 6) and dcSSc (n = 12) patients.
| Serotype 4 | Serotype 6 | Serotype 12 | Serotype 14 | |
|---|---|---|---|---|
| Prevaccination | 60.5 vs 73 | 50 vs 45 | 65 vs 40 | 38.5 vs 60 |
| Postvaccination | 131 vs 191 | 144 vs 111 | 148.5 vs 103 | 129 vs 156 |
| p | NS | NS | NS | NS |
NS: nonsignificant.