Table 1 Baseline characteristics of the study population.
Control group | RIPC group | p value | |
|---|---|---|---|
(n = 104) | (n = 98) | ||
Age, years | 76.7 ± 7.6 | 75.6 ± 9.2 | 0.33 |
Male, n (%) | 72 (69) | 68 (69) | 0.55 |
Body-mass index, kg/m2 | 27.6 ± 5.2 | 29.4 ± 5.3 | 0.02 |
CV risk factors | |||
Diabetes, n (%) | 53 (51) | 54 (55) | 0.33 |
Dyslipidemia, n (%) | 66 (63) | 70 (71) | 0.15 |
Current smoker, n (%) | 12 (12) | 13 (13) | 0.44 |
Hypertension, n (%) | 91 (88) | 87 (89) | 0.48 |
Procedure | |||
Angiography/PCI, n (%) | 56 (54)/48 (46) | 64 (65)/34 (35) | 0.12 |
Volume of contrast used, mL | 73 [45;121] | 80 [50;111] | 0.57 |
Clinical data | |||
Systolic blood pressure, mmHg | 131 ± 24 | 137 ± 20 | 0.11 |
Diastolic blood pressure, mmHg | 71 ± 11 | 73 ± 11 | 0.11 |
Heart rate, beats/min | 71 ± 15 | 72 ± 19 | 0.61 |
NYHA III/IV, % | 27 (26) | 27 (28) | 0.63 |
Killip class 1/2/3, n (%) | 75 (72)/26 (25)/3 (3) | 80 (82)/15 (15)/3 (3) | 0.22 |
Sinus rhythm, n (%) | 73 (70) | 79 (81) | 0.08 |
Ejection fraction | |||
>49%, n (%) | 38 (37) | 39 (40) | |
<49–40>, n (%) | 9 (9) | 18 (18) | |
<40, n (%) | 37 (35) | 25 (26) | |
Unknown, n (%) | 20 (19) | 16 (16) | 0.15 |
Hemoglobin, g/dL | 12.4 ± 1.9 | 12.6 ± 1.7 | 0.38 |
Hematocrit, % | 37.3 ± 5.2 | 37.3 ± 5.2 | 0.36 |
Baseline serum creatinine, µmol/L | 147 ± 44 | 149 ± 50 | 0.7 |
Baseline eGFR mL/min/1.73m2 | 42 ± 10 | 43 ± 11 | 0.85 |
Mehran score | |||
Mean | 7.7 ± 3.5 | 8.0 ± 3.7 | 0.61 |
<5, n (%) | 19 (18) | 18 (18) | |
<6–9>, n (%) | 52 (50) | 47 (48) | |
<10–14>, n (%) | 27 (26) | 27 (28) | |
>14, n (%) | 6 (6) | 6 (6) | 0.98 |
