Table 2 Multivariable logistic regression of risk factor for delayed discharge from AICU

Age (years)

< 0.001

 < 18

9.41 (5.54–15.27)

9.34 (5.24–16.01)

 18–64

-

-

 > 64

1.38 (1.04–1.82)

1.35 (1.01–1.81)

ASA physical status (n, %)

< 0.001

 Class II

-

-

 Class III

1.10 (0.64–2.10)

1.21 (0.68–2.37)

 Class IV

4.91 (2.68–9.72)

9.83 (5.08–20.45)

 Class V

4.36 (0.66–16.71)

8.38 (1.20-35.66)

BMI (kg/m²)

< 0.001

 < 18.5

3.48 (2.32–5.09)

2.67 (1.73–4.02)

 18.5–25

-

-

 > 25

1.05 (0.76–1.44)

1.05 (0.75–1.45)

 Stay in bed

2.21 (1.36–3.43)

1.96 (1.18–3.12)

Complications (n, %)

< 0.001

 N.A.

-

-

 I.A.

3.74 (2.70–5.31)

5.43 (3.74–8.04)

Surgery-associated risk factors

Type of surgery (n, %)

< 0.001

 Elective

-

-

 Emergency

2.70 (2.01–3.59)

1.83 (1.32–2.51)

Intraoperative blood loss (ml)

< 0.001

 < 1000

-

-

 1000–2000

4.39 (2.89–6.45)

3.90 (2.51–5.86)

 2000–3000

13.27 (8.72–19.65)

13.12 (8.32–20.17)

 > 3000

6.17 (2.99–11.38)

6.55 (3.06–12.59)