Characteristics of patients in the derivation sets of the Bacterial Meningitis Score (BMS) and Meningitest and in the present study
| Variables | BMS1(n=456) | Meningitest10 (n=111) | Present study (n=198) |
|---|---|---|---|
| Median age (years (IQR)) | 0.4 (0.2–6.0) | 4.6 (1.0–6.8) | 4.0 (0.8–7.7) |
| Male gender (n (%)) | 281 (62) | 77 (69) | 115 (58) |
| Peak fever (°C)* | 39.0 (±1.0) | MD | MD |
| Duration fever (days)* | 2.1 (±1.7) | 1.6 (±1.9) | MD |
| Seizure at or before presentation (n (%)) | 33 (7) | 4 (4) | 34 (18) |
| Petechia (n (%)) | MD | 4 (4) | 40 (21) |
| Positive Gram stain (n (%)) | 64 (14) | 13 (12) | 67 (35) |
| Bacterial meningitis (n (%)) | 86 (19) | 14 (13) | 96 (48) |
| CSF WBC count (×106/l)* | 844 (± 2759) | 437 (± 1227) | 1397 (± 2643) |
| CSF neutrophil count (×106/l)* | 640 (+/-MD) | 298 (± 1115) | 1238 (± 2496) |
| CSF protein (mg/dl)* | 89 (± 137) | 59 (± 75) | 125 (± 154) |
| CSF glucose (mg/dl)* | 53 (± 19) | 51 (± 16) | 44 (± 27) |
| C reactive protein (g/l)* | MD | 40 (± 84) | 77 (± 91) |
| Procalcitonin (ng/ml)* | MD | 1.7 (± 8) | 17.0 (± 30.7) |
↵* Means and SD.
CSF, cerebrospinal fluid; MD, missing data.