Table 2.
Characteristics of Cases and Controls and Overview of Haplotypesa
| YA (%) | XA (%) | YB (%) | YC (%) | YD (%) | Total | |
|---|---|---|---|---|---|---|
| Bacteremia | ||||||
| Cases | 289 (55) | 116 (22) | 86 (16) | 5 (1) | 30 (6) | 526 |
| Male: 145 (53%) | ||||||
| Median age at infection, months: 19.6 (IQR = 9.2–31.8) | ||||||
| Controls | 274 (53) | 109 (21) | 82 (16) | 8 (2) | 45 (9) | 518 |
| Male: 148 (54%) | ||||||
| Total | 563 | 225 | 168 | 13 | 75 | 1044 |
| Male: 293 (54%) | ||||||
| Meningitis | ||||||
| Cases | 443 (57) | 169 (22) | 106 (14) | 14 (2) | 42 (5) | 774 |
| Male: 237 (58%) | ||||||
| Median age at infection, months: 18.5 (IQR = 8.2–32.4) | ||||||
| Controls | 398 (52) | 185 (24) | 106 (14) | 15 (2) | 60 (8) | 764 |
| Male: 234 (59%) | ||||||
| Total | 841 | 354 | 212 | 29 | 102 | 1538 |
| Male: 471 (59%) | ||||||
Abbreviations: IQR, interquartile range.
a One bacteremia control was left out of the table, because it had genotype T:C in rs1800450 (B) and T:T in rs5030737 (D), because this combination should not exist. This was likely due to a genotyping error.