Potential risk factors for sensorineural hearing loss
| Characteristic | Sensorineural hearing | Relative risk (95% CI) | |||
|---|---|---|---|---|---|
| Present (n=16)3-150 | Absent (n=108)3-150 | ||||
| Clinical: | |||||
| Age ⩽ 12 months | 8 (50) | 33 (31) | 2.02 (0.82 to 5.00) | ||
| History > 24 hours | 12 (75) | 53 (49) | 2.72 (0.93 to 7.98) | ||
| Coma3-151 | 1 (6) | 6 (6) | 1.11 (0.17 to 7.24) | ||
| Seizures | 2 (13) | 13 (12) | 1.04 (0.26 to 4.13) | ||
| Neurological signs3-152 | 1 (6) | 8 (7) | 0.85 (0.12 to 6.08) | ||
| Cerebrospinal fluid | |||||
| S pneumoniae | 2 (13) | 16 (15) | 0.84 (0.21 to 3.39) | ||
| N meningitidis | 13 (81) | 79 (73) | 1.51 (0.46 to 4.96) | ||
| Glucose ⩽ 1 mmol/l | 8 (50) | 32 (30) | 1.57 (0.62 to 3.98) | ||
| Protein > 0.3 g/l | 1 (6) | 15 (14) | 0.38 (0.05 to 2.76) | ||
| White cell count > 1.0×109/l | 5 (31) | 43 (40) | 0.49 (0.18 to 1.32) | ||