Table 4.

Comparison of postoperative clinical outcomes in the study groups by anesthetic technique.

Clinical Outcome	Group	Total Set					Matched Set
		Event	Odds Ratio	95% Confidence Interval		p-Value	Event	Odds Ratio	95% Confidence Interval		p-Value
Acute kidney injury	General	143	1				24
	Spinal	19	0.477	0.293	0.778	0.003	13	0.529	0.273	1.024	0.059
Cardiovascular complication	General	29	1				10
	Spinal	7	0.895	0.390	2.052	0.793	5	0.495	0.166	1.470	0.205
Pulmonary complication	General	38					14
	Spinal	7	0.680	0.276	1.676	0.402	4	0.280	0.091	0.862	0.027
Deep vein thrombosis/Pulmonary thromboembolism	General	28					11
	Spinal	3	0.395	0.119	1.309	0.129	2	0.178	0.039	0.813	0.026
Delirium	General	32					7
	Spinal	19	2.241	1.254	4.004	0.006	15	2.181	0.873	5.450	0.095
Neurologic complication	General	18					3
	Spinal	6	1.239	0.490	3.133	0.650	6	2.013	0.497	8.146	0.327
Surgical site infection	General	14					4
	Spinal	6	1.596	0.611	4.171	0.340	6	1.507	0.420	5.409	0.530
Gastrointestinal complication	General	58					6
	Spinal	26	1.692	1.060	2.701	0.028	14	2.375	0.943	5.980	0.066
Endocrinologic complication	General	3					2
	Spinal	1	1.237	0.128	11.918	0.854	1	0.499	0.045	5.540	0.571
Urologic complication	General	24					11
	Spinal	9	1.397	0.641	3.048	0.400	4	0.358	0.122	1.053	0.062
Major complication	General	70					18
	Spinal	24	1.283	0.800	2.058	0.301	22	1.233	0.654	2.325	0.517
Intensive care unit admission	General	59	1				15
	Spinal	21	1.332	0.803	2.210	0.267	19	1.278	0.647	2.526	0.480