Table 3. Frequency of clinical and laboratory findings for specific bacterial pathogen.
| VARIABLES | N.MENINGITIDIS | S. PNEUMONIAE | H. INFLUENZAE | OTHER |
| n/Total% (95% CI) | n/Total% (95% CI) | n/Total% (95% CI) | n/Total% (95% CI) | |
| Age<1 year | 223/814 | 74/181 | 102/247 | 41/53 |
| 27.4 (24.4–30.6) | 40.9 (33.6–48.4) | 41.3 (35.1–47.7) | 77.4 (63.8–87.7) | |
| Headache | 366/623 | 65/122 | 57/174 | 8/33 |
| 58.7 (54.8–62.6) | 53.3 (44.0–62.4) | 32.8 (25.8–40.3) | 24.2 (11.1–42.3) | |
| Meningeal signs | 525/706 | 118/154 | 167/225 | 14/41 |
| 74.4 (70.9–77.5) | 76.6 (69.1–83.1) | 74.2 (68.0–79.8) | 34.1 (20.1–50.6) | |
| Haemorrhagic rash | 511/838 | 17/185 | 17/252 | 2/54 |
| 61.0 (57.6–64.3) | 9.2 (5.4–14.3) | 6.7 (4.0–10.6) | 3.7 (0.5–12.7) | |
| Seizures | 85/596 | 65/142 | 39/201 | 12/42 |
| 14.3 (11.6–17.4) | 45.8 (37.4–54.3) | 19.4 (14.2–25.6) | 28.6 (15.7–44.6) | |
| Coma | 51/574 | 28/129 | 15/188 | 0/33 |
| 8.9 (6.7–11.6) | 21.7 (14.9–29.8) | 8.0 (4.5–12.8) | 0.0 (0.0–10.6) | |
| Positive CSF Gram stain | 451/721 | 140/165 | 173/222 | 20/41 |
| 62.6 (58.9–66.1) | 84.8 (78.5–89.9) | 77.9 (71.9–83.2) | 48.8 (32.9–64.9) | |
| CSF WBC<100 mm3 | 170/817 | 16/181 | 3/252 | 9/54 |
| 20.8 (18.1–23.8) | 8.8 (5.1–14.0) | 1.2 (0.2–3.4) | 16.7 (7.9–29.3) | |
| Peripheral WBC≥15000/µL | 369/796 | 95/171 | 82/236 | 13/51 |
| 46.4 (42.9–49.9) | 55.6 (47.8–63.1) | 34.7 (28.7–41.2) | 25.5 (14.3–39.6) | |
| CSF Glucose<40 mg/dl | 382/789 | 103/169 | 195/248 | 33/50 |
| 48.4 (44.9–52.0) | 60.9 (53.2–68.3) | 78.6 (73.0–83.6) | 66.0 (51.2–78.8) |
*
Missing values have been excluded from the analysis.