Retrospective Study
Copyright ©The Author(s) 2018.
World J Orthop. Dec 18, 2018; 9(12): 285-291
Published online Dec 18, 2018. doi: 10.5312/wjo.v9.i12.285
Table 2 Significant factors predicting length of stay
FactorBeta coefficient (h)1Std. errorP value
Constant22.77.80.004
Simultaneous bilateral total knee arthroplasty46.14.1< 0.001
Gender (female)4.31.70.012
Age (per 10 yr)3.51.0< 0.001
Patient is married-4.81.90.011
Number of allergies1.10.40.005
Holiday week surgery-9.43.60.011
Surgery end time0.80.40.040
Black/African American6.13.00.047