. Author manuscript; available in PMC: 2018 Jan 18.

Published in final edited form as: J Neurosurg Spine. 2017 Nov 10;28(1):119–126. doi: 10.3171/2017.5.SPINE1734

TABLE 7.

Correlation coefficients of postoperative variables

Parameter	Preop Age	Preop BMI	Preop ASA Status	Postop Ambulation	Postop ICU LOS	Postop Hospital LOS
Preop age
Preop BMI	−0.05
Preop ASA status	0.22^*	0.22^*
Postop ambulation	0.05	−0.07	0.03
Postop ICU LOS	0.24^†	−0.02	0.05	0.34^‡
Postop hospital LOS	0.21^*	−0.04	0.18^*	0.50^‡	0.55^‡
Postop QoR40	0.02	0.12	−0.13	−0.10	−0.05	−0.16

p < 0.05.

^†

p < 0.01.

^‡

p < 0.001.