Table 4 PONV risk stratified by the anesthesia groups (TIVA or volatile anesthesia) based on logistic regression models.

From: Impact of general anesthesia on postoperative complications in orthognathic surgery: a retrospective comparison of total intravenous anesthesia versus volatile anesthesia

 

TIVA

Volatile anesthetics

PON

POV

PON

POV

OR (95%CI)

P value

OR (95% CI)

P value

OR (95% CI)

P value

OR (95% CI)

P value

Age (years)

1.00 (0.89–1.11)

0.954

1.05 (0.92–1.20)

0.450

0.97 (0.85–1.09)

0.593

1.01 (0.88–1.17)

0.841

BMI (kg/m2)

0.99 (0.69–1.41)

0.936

0.87 (0.55–1.36)

0.539

1.05 (0.66-–1.66)

0.838

3.01 (0.98–9.26)

0.056

Anesthesia Time (min)

1.00 (0.98–1.02)

0.795

1.01 (0.98–1.03)

0.659

1.03 (0.98–1.07)

0.208

1.03 (0.97–1.09)

0.342

Use of opioids

        

  Fentanyl (μg)

1.34 (0.88–2.03)

0.169

1.46 (0.93–2.30)

0.104

0.79 (0.31–1.97)

0.607

3.40 (0.51–22.53)

0.205

  Remifentanil (μg)

1.00 (0.93–1.07)

0.904

0.99 (0.91–1.08)

0.801

1.00 (0.90–1.11)

0.979

0.89 (0.74–1.07)

0.203

Infusion (mL)

0.82 (0.69–0.99)

0.035*

0.90 (0.75–1.08)

0.255

1.05 (0.86-–1.28)

0.631

1.00 (0.80–1.25)

0.997

Bleeding (mL)

1.04 (0.98–1.11)

0.198

1.03 (0.96–1.11)

0.378

0.97 (0.91–1.05)

0.488

0.98 (0.91–1.06)

0.676

Urine (mL)

1.16 (0.96–1.40)

0.115

1.10 (0.90–1.35)

0.353

0.56 (0.35–0.90)

0.017*

0.46 (0.19–1.13)

0.092

  1. Odds ratios (ORs) are based on the following one unit change: fentanyl 50 μg, remifentanil 100 μg, infusion 100 mL, urine 100 mL, and bleeding 10 mL.
  2. BMI Body mass index, CI Confidence interval, PON Postoperative nausea, POV Postoperative vomiting, PONV Postoperative nausea and vomiting, TIVA Total intravenous anesthesia.
  3. *P value < 0.05.
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