Table 3 Summary of multivariable regression model for respiratory depression

Intercept

−3.06

−4.57

−1.63

0.05

-

Postoperative buprenorphine continuation (yes)

−0.35

−1.12

0.39

-

0.367

Year of surgery

0.18

0.0

0.36

1.20

0.054

Facility (UWMC)

0.22

−0.39

0.82

1.25

0.468

Regional anesthesia (yes)

−0.73

−1.63

0.05

0.48

0.082

BMI, kg/m²

0.05

0.01

0.09

1.05

0.011

Preoperative antidepressant (yes)

0.73

0.17

1.30

2.08

0.010

Preoperative buprenorphine dose (≥ 16mg)

−0.92

−1.76

−0.14

-

0.025

Emergency status (yes)

−0.96

−1.77

−0.23

0.38

0.014

Postoperative buprenorphine continuation*

Preoperative buprenorphine dose ≥16mg

1.13

−0.02

2.32

-

0.058