. 2017 Apr 20;7(7):617–623. doi: 10.1177/2192568217699193

Table 4.

Association of Surgical Technique With Operative Time and Hospital Length of Stay^a.

Outcome	Conventional	Computer Assisted	Multivariate Linear Regression^b		P Value
Outcome	Conventional	Computer Assisted	Coefficient	95% CI	P Value
Operation time (minutes)	205.2 ± 106.1	227.0 ± 111.9	20.14	12.31 to 27.91	<.001
Hospital length of stay (days)	4.05 ± 4.8	4.10 ± 2.6	−0.04	−0.37 to 0.30	.820

Abbreviation: CI, confidence interval.

^aValues in boldface indicate statistical significance (P < .05).

^bEach line represent a separate multivariate logistic regression analysis for each variable and adjusted odds ratio and P value by controlling for all demographics and comorbidities found in Table 1.