Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.
Skip to main content

Table 4 Unadjusted, all variables adjusted, and all variables and propensity score-adjusted Association of American Society of Anesthesiologists Physical Status (ASA-PS)

From: Effect of the preoperative physical status on postoperative nausea and vomiting risk: a matched cohort study

   

HR (95% CI) ASA PS 1 vs. 2

P value

HR (95% CI) ASA PS 1 vs. 3

P value

HR (95% CI) ASA PS 2 vs. 3

P value

Original data analysis

PONV

Unadjusted

0.97 (0.93–1.01)

0.09

0.79 (0.74–0.85)

< 0.001

0.87 (0.82–0.92)

< 0.001

AV adjusted

0.96 (0.93–1.0)

0.07

0.76 (0.71–0.82)

< 0.001

0.86 (0.82–0.91)

< 0.001

AVP adjusted

0.96 (0.93–1.0)

0.07

0.76 (0.71–0.82)

< 0.001

0.86 (0.82–0.91)

< 0.001

PV

Unadjusted

1.13 (1.02–1.25)

0.02

1.14 (0.96–1.34)

0.14

1.09 (0.96–1.23)

0.17

AV adjusted

1.12 (1.02–1.25)

0.02

1.08 (0.92–1.28)

0.35

1.07 (0.95–1.21)

0.26

AVP adjusted

1.12 (1.01–1.25)

0.02

1.08 (0.92–1.28)

0.34

1.08 (0.95–1.21)

0.24

Sensitivity analysis

PONV

Unadjusted

0.92 (0.88–0.96)

< 0.001

0.69 (0.63–0.75)

< 0.001

0.86 (0.81–0.91)

< 0.001

AV adjusted

0.92 (0.88–0.96)

< 0.001

0.68 (0.63–0.74)

< 0.001

0.85 (0.81–0.9)

< 0.001

AVP adjusted

0.92 (0.88–0.96)

< 0.001

0.68 (0.63–0.74)

< 0.001

0.86 (0.81–0.9)

< 0.001

PV

Unadjusted

1.02 (0.92–1.14)

0.72

0.99 (0.82–1.19)

0.88

1.1 (0.97–1.24)

0.13

AV adjusted

1.02 (0.91–1.14)

0.74

0.96 (0.80–1.16)

0.7

1.08 (0.96–1.22)

0.19

AVP adjusted

1.02 (0.92–1.14)

0.7

0.96 (0.80–1.16)

0.69

1.09 (0.96–1.23)

0.17

  1. In a matched cohort of patients, the association of ASA-PS class with PONV and PV was assessed using multivariable Cox proportional hazard regression
  2. PONV postoperative nausea and vomiting, PV postoperative vomiting, HR hazard ratio, CI confidence interval, ASA-PS American Society of Anesthesiologists Physical Status, AV all variables, AVP all variables + propensity score
Back to article page

Perioperative Medicine

ISSN: 2047-0525