Variables

Unadjusted Odds Ratio (95% CI)

p value

Adjusted Odds Ratio (95% CI)

p value

Age (per 10 years)

0.87 (0.76, 1.00)

0.055

0.91 (0.77, 1.09)

0.314

Sex (Reference: Male)

0.94 (0.62, 1.43)

0.784

1.19 (0.73, 1.96)

0.484

ASA class

1

Reference

Reference

2

0.50 (0.15, 1.63)

0.251

0.70 (0.19, 2.59)

0.595

3

0.40 (0.13, 1.27)

0.121

0.72 (0.19, 2.69)

0.649

4

0.60 (0.18, 2.00)

0.407

0.80 (0.18, 3.48)

0.990

Number of medications

0.97 (0.93, 1.02)

0.185

0.97 (0.92, 1.03)

0.345

Type of surgery

General

Reference

Reference

Orthopedic

0.80 (0.43, 1.46)

0.054

0.98 (0.50, 1.91)

0.492

Gynecological

0.87 (0.39, 1.94)

0.338

0.75 (0.30, 1.91)

0.262

Cardiac

2.02 (0.75, 5.43)

0.128

2.43 (0.74, 8.04)

0.095

Urological

1.09 (0.47, 2.55)

0.873

0.85 (0.33, 2.23)

0.447

Other*

1.47 (0.73, 2.98)

0.291

1.38 (0.64, 2.96)

0.442

Individual collecting the patient’s medication list

Physician

Reference

Reference

Pharmacist

0.75 (0.39, 1.44)

0.209

0.78 (0.38, 1.60)

0.477

Nurse

0.99 (0.50, 1.98)

0.578

0.91 (0.44, 1.86)

0.926

Time between pre-op appointment and day of surgery (per 5 days)

1.0 (0.96, 1.05)

0.890

1.01 (0.96, 1.06)

0.839