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The diagnostic performance of various CSF characteristics with bacterial growth
| Positive CSF culture | Negative CSF culture | P value | |||||
|---|---|---|---|---|---|---|---|
| Median | 1 st quartile | 3rd quartile | Median | 1 st quartile | 3rd quartile | ||
| Neutrophils (/mm3) | 475 | 40 | 800 | 12 | 10 | 40 | < 0.001 |
| Glucose ( mg/dL) | 11 | 2.90 | 40 | 54 | 30 | 80 | 0.001 |
| Total protein ( mg/dL) | 735 | 210 | 1318 | 193 | 20 | 1405 | 0.274 |
| Chloride (mEq/L) | 103 | 92 | 116 | 112 | 107 | 120 | 0.012 |
