Table 3 Multivariable logistic regression analyses of complications risk

Operative Time

 < 60 mins (ref)

1

1

1

1

 60–90 mins

0.93 (0.67–1.31)

0.78 (0.49–1.24)

1.30 (0.80–2.10)

1.49 (0.85–2.61)

 91–120 mins

0.85 (0.59–1.22)

1.23 (0.78–1.95)

0.89 (0.53–1.51)

1.73 (0.98–3.05)**

 >120 mins

1.08 (0.74–1.58)

1.21 (0.74–2.00)

1.30 (0.77–2.21)

2.47 (1.39–4.39)*

Age

 < 59 (ref)

1

1

1

1

 60–69

1.20 (0.93–1.55)

1.05 (0.77–1.45)

0.97 (0.69–1.36)

0.94 (0.68–1.30)

 70–79

1.37 (0.99–1.90)

1.12 (0.73–1.71)

1.23 (0.82–1.85)

0.80 (0.52–1.23)

 80+

2.37 (1.25–4.51)*

1.96 (0.83–4.63)

1.20 (0.47–3.05)

1.45 (0.65–3.22)

Female

1.01 (0.79–1.30)

0.63 (0.47–0.85)

0.88 (0.64–1.21)

0.91 (0.67–1.25)

BMI

 40–49 (ref)

1

1

1

1

 50–59

2.07 (1.54–2.77)*

2.54 (1.79–3.61)*

1.18 (0.76–1.85)

0.63 (0.37–1.10)

 ≥ 60

2.28 (1.06–4.87)*

1.59 (0.50–5.02)

0.47 (0.07–3.36)

0.83 (0.21–3.38)

ASA

 1/2 (ref)

1

1

1

1

 3/4

1.12 (0.83–1.50)

1.18 (0.81–1.73)

1.08 (0.74–1.56)

1.20 (0.82–1.75)

Smoker

1.52 (1.08–2.15)*

0.91 (0.54–1.52)

0.91 (0.53–1.56)

0.65 (0.36–1.18)

Non-smoker (ref)

1

1

1

1

Diabetes

1.06 (0.83–1.35)

1.03 (0.75–1.40)

0.75 (0.53–1.05)

1.03 (0.75–1.41)

Non-diabetic (ref)

1

1

1

1

Steroid

1.87 (1.18–2.96)*

0.91 (0.40–2.05)

1.20 (0.59–2.44)

1.61 (0.87–2.97)

No Steroid (ref)

1

1

1

1

Functionally Non-independent

1.28 (0.65–2.51)

2.37 (1.20–4.69)*

2.03 (1.03–4.01)*

1.49 (0.69–3.19)

Independent (ref)

1

1

1

1

Not Discharged to Home

1.13 (0.87–1.47)

1.00 (0.71–1.41)

2.24 (1.65–3.05)*

2.28 (1.68–3.09)*

Discharged Home (ref)

1

1

1

1