Table 9.

General anaesthetic versus regional versus combination on mortality outcome.

	Pearson chi-square	Degrees of freedom	p value
Within 30-day mortality	0.620	2	0.733
6-month mortality	4.045	2	0.132
12-month mortality	2.526	2	0.283

Results from chi-square analysis of entire data set (n = 195) presented above.