Table 1 Demographic characteristics, clinical features, and laboratory findings
Variables | Normal/slow-flow (n = 374) | No-reflow (n = 80) | P value |
|---|---|---|---|
Age, years, mean (SD) | 59.10(11.61) | 63.21(11.64) | 0.004* |
Female sex, n (%) | 98(26.2) | 18(22.5) | 0.491 |
Hypertension, n (%) | 158(42.2) | 44(55.0) | 0.037* |
Diabetes mellitus, n (%) | 79(23.4) | 25(31.3) | 0.143 |
History of heart failure, n (%) | 3(0.8) | 1(1.3) | 0.539 |
History of stroke/TIA, n (%) | 30(8.0) | 17(21.3) | < 0.001* |
Vascular disease, n (%) | 58(15.5) | 30(37.5) | < 0.001* |
Smoking, n (%) | 216(57.8) | 50(62.5) | 0.434 |
Hyperlipidemia, n (%) | 97(25.9) | 29(36.3) | 0.061 |
Family history, n (%) | 48(12.8) | 17(21.3) | 0.051 |
eGFR, ml/min/1.73m2, mean (SD) | 95.92(23.87) | 86.25(23.46) | 0.001* |
SBP, mmHg, mean (SD) | 121.86(18.99) | 117.83(18.20) | 0.083 |
DBP, mmHg, mean (SD) | 76.51(12.64) | 75.54(12.34) | 0.530 |
HR, beats/min, mean (SD) | 77.58(13.47) | 77.18(14.87) | 0.809 |
TC, mmol/L, mean (SD) | 4.66(1.06) | 4.76(1.06) | 0.417 |
HDL-C, mmol/L, mean (SD) | 1.01(0.27) | 1.08(0.26) | 0.052 |
LDL-C, mmol/L, mean (SD) | 2.99(0.90) | 3.04(0.87) | 0.665 |
Creatinine,μmol/L, mean (SD) | 69.95(18.95) | 78.35(25.18) | 0.006* |
hemoglobin, g/L, mean (SD) | 141.08(17.28) | 141.31(15.20) | 0.911 |
glycosylated hemoglobin, %, mean (SD) | 6.30(1.45) | 6.59(1.53) | 0.109 |
cTnI, ng/L, mean (SD) | 1.26(4.92) | 4.46(11.84) | 0.02* |
CK-MB, ng/L, mean (SD) | 44.30(74.92) | 80.26(103.50) | 0.004* |
NT-pro BNP, pg/mL, mean (SD) | 694.97(2102.8) | 1071.8(2519.7) | 0.170 |
Pain-to-balloon time, h, mean (SD) | 5.94(3.42) | 6.44(2.67) | 0.214 |
CHADS2 score, mean (SD) | 1.08(1.04) | 1.76(1.20) | < 0.001* |
CHA2DS2-VASc score, mean (SD) | 1.61(1.38) | 2.60(1.58) | < 0.001* |
CHA2DS2-VASc-HSF score, mean (SD) | 3.06(1.24) | 4.34(1.26) | < 0.001* |
LVEF, %, mean (SD) | 56.62(8.02) | 52.87(9.52) | 0.005* |
Killip class, n (%) | |||
 1 | 304(81.3) | 56(70.0) | 0.024* |
 > 1 | 70(18.7) | 24(30.0) |  |