. 2020 Aug 17;12(2):229–236. doi: 10.1177/2192568220948480

Table 4.

Sequential Cost Modeling for PLF Patients With Diabetes.

Cost Modeling	Regression coefficient (95% CI)	P
Model 1^a	$2834 ($1184 to $4483)	<.001
Model 2^b	$1709 ($344 to $3074)	.014
Model 3^c	$882 (−$340 to $2,105)	.157
Model 4^d	$349 (−$760 to $1458)	.537

Abbreviation: PLF, posterior lumbar fusion.

^a Includes diabetes as covariate.

^b Includes diabetes, age, gender, preoperative diagnosis, revision, segments, Elixhauser Comorbidity Index (ECI), and diabetic complications as covariates.

^c Includes above in addition to operative time, colloid, and crystalloid utilization as covariates.

^d Includes above in addition to total length of stay (LOS) and length of intensive care unit (ICU) stay as covariates.