Table 5 Bivariate and multivariate logistic regression analyses of factors associated with haemodynamic instability among adult surgical patients in the anaesthesia care unit. 2024

Surgical speciality

Orthopaedics

1

1

Gynaecologic

0.57(0.61–3.6)

0.15

2.5 (0.034–2.34)

Abdominal

0.72(0.54–2.5)

0.12

1.2(0.2–3.2)

Neurologic

2.54(1.1–5.5)

0.021

2.1(0.2–6.1)

ENT

0.43(0.25–1.51)

0.62

1.73(0.05–5.3)

Type of Anaesthesia

 General

1

1

 Neuraxial

1.56(0.9–3.1)

0.161

3.1(1.4–9.1)

Premedication beta blocker

3.5(0.56–5.6)

0.054

2.6(0.05–3.6)

None

1

1

ASA classification

 ASAI

1

1

 ASA II

2.1(1.3–3.6)

0.02

0.8(0.03–2.5)

 ASAIII

3.5(1.2–5.2)

0.032

2(0.06–4.61)

Duration of surgery

 ≤ 1 h

1

1

 1–2 h

0.83(o.45–1.9)

0.54

0.43(0.07–1.6)

 2–4 h

1.53(0.45–3.2)

0.042

0.65(0.5–4.1)

 ≥ 4 h

4.3(2.5–8.45)

0.0012

3.1(0.71–7.89)

Postoperative respiratory adverse event

 Yes

3.56(0.95–8.4)

0.001

2.51(0.52–8.1)

 NO

1

1

Intraoperative

 Yes

4(2.43–6.7)

0.001

4.1(1.53–8.1)

HDI

 NO

1

1