. 2016 Mar 1;158:829–835. doi: 10.1007/s00701-016-2746-z

Table 2.

Cox proportional hazard models showing the effect of weekend admission on survival at discharge and GOS at 3 and 6 months

Outcome	Hazard ratio	CL	P value
Mortality at discharge^a	2.1	1.13–4.0	0.01
Mortality at discharge adjusted for time from scan to treatment^b	2.95	1.08–7.91	0.03
GOS at 3 months^c	1.6	0.70–3.9	0.24

^aAdjusted for age, sex, WFNS grade and treatment

^bAdjusted for age, sex, WFNS grade, treatment type and scan to treatment time

^cLogistic regression analysis comparing grades 4 and 5 versus grades 1, 2 and 3. Adjusted for age, sex, WFNS grade, treatment and scan to treatment type