From: The effect of age on the response to the pneumococcal polysaccharide vaccine
Serotype | Age | Pre-IgG concentration (μg/mL) | Post-IgG concentration (μg/mL) | Pre-Opsonic titer (OT) | Post-Opsonic titer (OT) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  | GMC | 95% CI | Sig | GMC | 95% CI | Sig | GMT | 95% CI | Sig | GMT | 95% CI | Sig |
4 | Adult | 0.43 | 0.32-0.59 | P < 0.05 | 2.21 | 1.61-3.05 | P < 0.05 | 17 | 6-47 | NS | 1300 | 694-2437 | P < 0.05 |
 | Elderly | 0.27 | 0.22-0.34 |  | 1.29 | 0.88-1.89 |  | 10 | 5-20 |  | 220 | 85-569 |  |
6B | Adult | 1.06 | 0.75-1.50 | NS | 6.17 | 3.51-10.85 | NS | 364 | 104-1270 | NS | 8023 | 5747-11202 | NS |
 | Elderly | 1.17 | 0.85-1.61 |  | 7.73 | 4.13-14.48 |  | 175 | 65-473 |  | 5495 | 3823-7898 |  |
9V | Adult | 1.08 | 0.66-1.77 | NS | 6.05 | 4.22-8.68 | NS | 504 | 136-1867 | NS | 6380 | 3097-13140 | P = 0.05 |
 | Elderly | 0.71 | 0.51-0.99 |  | 5.54 | 3.62-8.49 |  | 229 | 81-649 |  | 4506 | 2654-7649 |  |
14a | Adult | 3.02 | 1.56-5.86 | NS | 18.7 | 9.91-35.29 | NS | 237 | 71-795 | NS | 6036 | 4091-8907 | P < 0.05 |
 | Elderly | 1.92 | 1.26-2.93 |  | 10.12 | 6.47-15.83 |  | 579 | 192-1748 |  | 4673 | 2298-9501 |  |
18C | Adult | 1.10 | 0.72-1.67 | NS | 5.8 | 3.53-9.52 | NS | 675 | 236-1931 | NS | 7226 | 5167-10105 | NS |
 | Elderly | 0.95 | 0.64-1.42 |  | 6.77 | 4.42-10.37 |  | 273 | 104-717 |  | 6698 | 4481-10012 |  |
19A | Adult | ND | Â | ND | ND | Â | ND | 59 | 21-170 | NS | 2995 | 1919-4675 | P < 0.05 |
 | Elderly | ND |  |  | ND |  |  | 27 | 12-58 |  | 556 | 252-1227 |  |
19F | Adult | 3.28 | 2.38-4.52 | NS | 8.42 | 5.42-13.1 | NS | 40 | 15-105 | NS | 2082 | 1409-3075 | NS |
 | Elderly | 2.87 | 2.17-3.81 |  | 7.18 | 5.18-9.95 |  | 43 | 19-97 |  | 1183 | 759-1843 |  |
23F | Adult | 0.60 | 0.37-0.99 | NS | 3.22 | 1.91-5.41 | NS | 485 | 183-1286 | NS | 3101 | 2027-4746 | NS |
 | Elderly | 0.70 | 0.48-1.01 |  | 5.8 | 3.64-9.23 |  | 269 | 111-653 |  | 3314 | 2152-5101 |  |
6A | Adult | 1.62 | 1.19-2.22 | P < 0.05 | 2.39 | 1.78-3.21 | NS | 54 | 17-171 | NS | 2097 | 1041-4226 | P < 0.05 |
 | Elderly | 3.25 | 2.21-4.79 |  | 4.01 | 2.81-5.72 |  | 17 | 9-36 |  | 244 | 102-587 |  |