Table 1

Patient characteristics by treatment assignment

Propofol (n=25)Volatile (n=25)
Age, yearsMean (SD)73.0 (8.5)73.6 (9.1)
Missing data1 (4%)1 (4%)
Malen (%)18 (72%)20 (80%)
Missing data1 (4%)0
Ethnicity, n (%)White21 (84%)23 (92%)
Black1 (4%)0 (0%)
Asian1 (4%)1 (4%)
Missing data2 (8%)1 (4%)
Body mass index, kg/m2Mean (SD)27.0 (5.8)28.8 (4.4)
Missing data2 (8%)3 (12%)
Preoperative blood pressure, mmHgMean (SD)Systolic134 (21)132 (19)
Diastolic72 (10)71 (12)
Missing data2 (8%)3 (12%)
Preoperative heart rate, beats per minuteMean (SD)66 (9)64 (9)
Missing data2 (8%)3 (12%)
Canadian Cardiovascular Society angina grade, n (%)06 (24%)7 (28%)
13 (12%)2 (8%)
25 (20%)6 (24%)
37 (28%)7 (28%)
42 (8%)2 (8%)
Missing data2 (8%)1 (4%)
New York Heart Association stage, n (%)I6 (24%)8 (32%)
II7 (28%)10 (40%)
III10 (40%)4 (16%)
IV0 (0%)1 (4%)
Missing data2 (8%)2 (8%)
Cardiovascular system comorbidityArrhythmian (%)6 (24%)2 (8%)
Missing data2 (8%)2 (8%)
Hypertensionn (%)19 (76%)15 (60%)
Missing data1 (4%)2 (8%)
Previous myocardial infarctionn (%)13 (52%)10 (40%)
Missing data1 (4%)1 (4%)
Smoking status, n (%)Current3 (12%)4 (16%)
Previous12 (48%)10 (40%)
Never8 (32%)10 (40%)
Missing data2 (8%)1 (4%)
Other comorbidityChronic obstructive pulmonary diseasen (%)1 (4%)3 (12%)
Missing data1 (4%)1 (4%)
Chronic kidney diseasen (%)6 (24%)3 (12%)
Missing data1 (4%)1 (4%)
Diabetes mellitus, n (%)None14 (56%)19 (76%)
Diet controlled1 (4%)0 (0%)
Oral Medication4 (16%)3 (12%)
Insulin5 (20%)2 (8%)
Missing data1 (4%)1 (4%)
Transient ischaemic attackn (%)4 (16%)5 (20%)
Missing data1 (4%)1 (4%)
Previous surgeryn (%)1 (4%)1 (4%)
Missing data1 (4%)2 (8%)
Preoperative medications, n (%)
.
Aspirin16 (64%)18 (72%)
P2Y12 antagonist4 (16%)6 (24%)
Beta-blocker16 (64%)15 (60%)
Calcium channel blocker9 (36%)7 (28%)
ACE inhibitor11 (44%)12 (48%)
Angiotensin-receptor blocker5 (20%)4 (16%)
Diuretic2 (8%)5 (20%)
Anticoagulant11 (44%)4 (16%)
Metformin6 (24%)5 (20%)
Sulfonylurea3 (12%)0 (0%)
Insulin5 (20%)2 (8%)
Missing data1 (4%)1 (4%)
Preoperative laboratory resultsCapillary blood glucose, mmol/LMean (SD)6.0 (1.2)6.7 (1.9)
Missing data12 (48%)9 (36%)
Creatinine, μmol/LMean (SD)96 (26)107 (63)
Missing data1 (4%)1 (4%)
Platelets, ×109/LMean (SD)232 (61)211 (52)
Missing data1 (4%)1 (4%)
Left ventricular ejection fraction, %Median (IQR)52 (45–56)49 (40–55)
Missing data7 (28%)7 (28%)
Preoperative cardiac parameters (imaging and ECG)Atrial fibrillationn (%)1 (4.2%)3 (12.5%)
Missing data1 (4%)2 (8%)
Median (IQR)16 (14–17)15.5 (14–20)
Missing data0 (0%)1 (4%)
WHO disability assessment schedule scoreMedian (IQR)16 (14–17)15.5 (14–20)
Missing data0 (0%)1 (4%)
EuroQoL 5-dimension health status (0–100)Median (IQR)72 (50–78)75 (65–82)
Missing data1 (4%)0 (0%)