Table 2.

Partial Covariate Analysis

Covariate	Classical dendritic cells		CD14+ Monocytes
	R	p value	R	p value
Pre-surgical values for major clinical outcomes
Surgical recovery scale	0.675	1.81×10−5	0.652	5.38×10−5
WOMAC function	0.701	4.09×10−6	0.688	8.87×10−6
WOMAC pain	0.695	5.95×10−6	0.681	1.28×10−5
Demographics
Age	0.731	5.07×10−7	0.706	3.00×10−6
Sex	0.684	1.11×10−5	0.650	6.10×10−5
Body mass index	0.701	4.05×10−6	0.688	8.76×10−6
Anesthesia
Adjuvant spinal anesthetic	0.702	1.10×10−6	0.701	4.00×10−6
Nitrous oxide	0.697	8.35×10−6	0.681	2.04×10−5
Surgery
Duration	0.700	4.29×10−6	0.723	9.07×10−7
Blood loss	0.654	7.39×10−5	0.657	6.41×10−5

Abbreviations: R, correlation coefficient; WOMAC, Western Ontario and McMaster Universities Arthritis Index scale.