Table 1 Baseline clinical and angiographic characteristics of the study cohort
From: Culprit lesion characteristics and prognosis in STEMI with cold onset: an OCT study
Variables | Cold temperature group (n = 270) | Warm temperature group (n = 247) | p |
|---|---|---|---|
Male, n (%) | 189 (70.0) | 180 (72.9) | 0.496 |
Age, years | 58.2 ± 11.7 | 57.8 ± 11.9 | 0.709 |
Hypertension, n (%) | 117 (43.3) | 108 (43.7) | 0.929 |
Heart rate | 78.0 (67.0–86.0) | 79.5 (67.0–99.0) | 0.512 |
Systolic pressure, mmHg | 130 (114–146) | 130 (114–145) | 0.982 |
Diastolic pressure, mmHg | 80 (70–90) | 80 (72–90) | 0.423 |
Dyslipidemia, n (%) | 172 (63.7) | 157 (63.6) | 0.973 |
Diabetes mellitus, n (%) | 87 (32.2) | 92 (37.2) | 0.230 |
Current smoker, n (%) | 142 (52.6) | 146 (59.1) | 0.156 |
Pre-PCI, n (%) | 4 (1.5) | 7 (2.8) | 0.366 |
LVEF, % | 61 (54–62) | 61 (54–63) | 0.773 |
Hemoglobin, g/dl | 145.0 (134.0–156.0) | 146.0 (134.0–158.0) | 0.961 |
Platelet count, 103/μl | 239.0 (193.5–283.3) | 231.5 (195.0–271.8) | 0.338 |
White blood count, 103/μl | 11.2 (8.9–13.8) | 11.4 (9.5–14.1) | 0.339 |
hs-CRP, mg/dl | 5.4 (2.3–10.7) | 4.1 (1.8–9.2) | 0.014 |
HbA1c, % | 5.8 (5.5–6.4) | 5.8 (5.5–6.6) | 0.611 |
Total cholesterol, mg/dl | 182.4 (155.1–211.9) | 178.7 (152.7–205.7) | 0.933 |
Triglyceride, mg/dl | 121.3 (85.0–174.4) | 126.6 (87.7–193.0) | 0.510 |
LDL-C, mg/dl | 111.4 (89.7–135.3) | 107.1 (88.9–132.3) | 0.882 |
HDL-C, mg/dl | 52.2 (44.1–63.4) | 49.5 (43.7–59.2) | 0.164 |
NT-proBNP, pg/ml | 145.5.0 (48.0–529.5) | 119.0 (45.0–449.0) | 0.386 |
Peak Troponin I, ng/ml | 59.7 (17.4–125.8) | 53.8 (15.1–109.2) | 0.641 |
BMI, kg/m2 | 24.9 ± 3.8 | 24.8 ± 3.6 | 0.825 |
PCI with drug-eluting stents, n (%) | 140 (51.9) | 114 (46.2) | 0.218 |
Medications at discharge | |||
Aspirin | 262 (97.0) | 243 (98.4) | 0.388 |
Clopidogrel | 91 (33.7) | 70 (28.3) | 0.216 |
Ticagrelor | 175 (64.8) | 173 (70.0) | 0.233 |
Statins | 262 (97.0) | 240 (97.2) | 1.000 |
β-receptor blocker | 167 (61.9) | 163 (66.0) | 0.360 |
ACEI/ARB | 134 (49.6) | 116 (47.0) | 0.597 |
Culprit vessel, n (%) | 0.242 | ||
LAD | 138 (51.1) | 129 (52.2) | |
RCA | 88 (32.6) | 90 (36.4) | |
LCX | 44 (16.3) | 28 (11.3) | |
Killip, n (%) | 0.129 | ||
I | 265 (98.0) | 245 (99.2) | |
II | 4 (1.5) | 0 (0) | |
III | 1 (0.4) | 2 (0.8) | |
TIMI ≦ 1, n (%) | 160 (59.0) | 122 (49.8) | 0.042 |
balloon angioplasty, n (%) | 124 (45.9) | 96 (38.9) | 0.105 |
thrombectomy, n (%) | 215 (79.6) | 182 (74.6) | 0.206 |
MLD, mm | 1.1 (0.8–1.4) | 1.1 (0.8–1.5) | 0.151 |
RLD, mm | 2.7 (2.4–3.1) | 2.8 (2.4–3.2) | 0.268 |
DS, % | 60 (50.0–70.0) | 59.5 (46–68) | 0.134 |
Lesion length, mm | 14.2 (11.4–18.4) | 14.9 (11.8–18.6) | 0.416 |
Final MLD, mm | 1.8 (1.2–2.6) | 2.0 (1.3–2.5) | 0.263 |
Final TIMI, n (%) | 0.876 | ||
TIMI = 2 | 23 (8.5) | 22 (8.9) | |
TIMI = 3 | 247 (91.5) | 225 (91.1) | |
TMPFC > 95.5, n (%) | 64 (23.7) | 49 (19.8) | 0.288 |
