Table 4.

Baseline age and patient-reported outcomes.

	LOCAL ± EPIDURAL			GENERAL
Parameter	# Studies Pooled	Pooled Value	SD	# Studies Pooled	General	SD	P-value
Age	7	44.1	7.5	11	42.8	8.1	0.69
VAS back	3	4.9	4.8	8	4.5	1.8	0.78
VAS leg	3	5.9	1.5	8	6.7	1.2	0.12
JOA	1	12.3	0.3	1	10.9	0.3	0.001
SF-36 PCS	2	52.6	3.5	3	50.4	30.9	0.78
ODI	7	45.7	20.3	8	51.5	18.9	0.49

SD – standard deviation; VAS – visual analog scale; JOA – Japanese Orthopedic Association score; ODI – Oswestry Disability Index; SF-36 PCS – 36-item short form physical component score