Table 3

Spearman correlations determining significant correlations between clinical variables and operative time in adult spinal deformity surgical patients.

Correlation Between Clinical Variables and Operative Time
Variable	Prediction Accuracy (Spearman Coefficient)	Significance (2-Tailed)
EBL	0.331	<0.001
LOS	0.263	<0.001
2-y ODI	0.141	0.015
2-y SRS-22	−0.069	0.232
2-y EQ-5D	−0.023	0.808

EBL, estimated intraoperative blood loss; EQ-5D, EuroQol 5-dimensional; LOS, hospital length of stay; ODI, Oswestry Disability Index; SRS, Scoliosis Research Society-22.