p-value | OR | 95% Confidence Interval | |
---|---|---|---|
Noprotocol | 0.008 | 3.37 | 1.36–8.29 - 0.61 |
CSF fistula | 0.03 | 3.32 | 1.12–9.81 -5.86 |
Duration of drainage | 0.90 | 1.00 | 0.93–1.07 |
Number of times CSF sampled | < 0.001 | 1.63 | 1.25–2.13 |
Junior resident performing surgery | 0.98 | 0.99 | 0.38–2.54 |
Senior resident performing surgery | 0.86 | 1.10 | 0.37–3.21 |
Staff member performing surgery | Reference category |