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Table 1 Baseline characteristics

From: Remote ischaemic preconditioning influences the levels of acylcarnitines in vascular surgery: a randomised clinical trial

Variable RIPC (n = 45) SHAM (n = 47) p value
Age, years (SD) 67 (± 9) 66 (± 10) 0.577
Male, n (%) 36 (80) 32 (68) 0.288
BMI, kg/m2 (SD) 26.3 (± 6.4) 26.5 (± 6.7) 0.840
ASA 2, n (%) 18 (40) 19 (40) 1
ASA 3, n (%) 20 (44) 22 (47) 0.986
ASA 4, n (%) 7 (16) 6 (13) 0.933
ACEI or ARB, n (%) 21 (47) 30 (64) 0.148
Calcium channel blockers, n (%) 9 (20) 17 (37) 0.135
Beta-blockers, n (%) 11 (24) 19 (40) 0.158
Statins, n (%) 13 (29) 14 (30) 1
Diabetes, n (%) 5 (11) 8 (17) 0.607
Myocardial infarction, n (%) 8 (18) 3 (6) 0.172
Stroke, n (%) 10 (22) 12 (26) 0.899
Smoker (current or ex-smoker), n (%) 40 (89) 42 (89) 1
MAP, mmHg (SD) 99 (± 12) 100 (± 11) 0.678
Heart rate, bpm (SD) 66 (± 9) 67 (± 11) 0.754
Cholesterol, mmol/L (IQR) 5.0 (4.2–5.7) 5.0 (3.9–5.6) 0.793
LDL, mmol/L (IQR) 3.4 (8.1–10.4) 3.3 (2.5–3.8) 0.500
HDL, mmol/L (IQR) 1.1 (0.9–1.4) 1.1 (1.0–1.3) 0.311
Triglycerides, mmol/L (IQR) 1.6 (1.3–1.8) 1.5 (1.2–2.0) 0.787
Administration of propofol, n (%) 19 (42) 26 (55) 0.295
Duration of surgery, min (IQR) 108 (89–135) 112 (84–156) 0.827
  1. BMI body mass index, ASA American Society of Anaesthesiologists’ physical status score, ACEI angiotensin-converting-enzyme inhibitor, ARB angiotensin II receptor blocker, PSBP peripheral systolic blood pressure, PDBP peripheral diastolic blood pressure, CSBP central systolic blood pressure, CDBP central diastolic blood pressure, MAP mean arterial blood pressure, SD standard deviation, IQR interquartile range. p values were calculated for data with normal distribution (presented as mean and SD) with Student’s t test; for data with non-normal distribution (presented as median and IQR) with Wilcoxon rank-sum test; and for binary data (presented as number and percentage) with Chi-squared test