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Table 1 Baseline characteristics in patients with NSTE-ACS according to age category

From: Non-ST elevation acute coronary syndromes; clinical landscape, management strategy and in-hospital outcomes: an age perspective

Baseline characteristics <65 Years ≥ 65 Years p value
N (%)
N (%) 135 (67.5%) 65 (32.5%) -
Age (mean ± SD) years 52.46 ± 8.09 71.82 ± 6.03 <0.0001
Female gender 30 (22.2%) 29 (44.6%) 0.001
Hypertension 84 (62.2%) 55 (84.6%) 0.001
Diabetes 58 (43%) 40 (61.5%) 0.014
IHD 57 (42.2%) 39 (60%) 0.018
Family history 44 (32.6%) 21 (32.3%) 0.9
Smoking 57 (42.2%) 12 (18.5%) 0.001
Hyperlipidaemia 26 (19.3%) 19 (29.2%) 0.1
Stroke 3 (2.2%) 3 (4.6%) 0.3
Atrial fibrillation (new or old) 9 (6.7%) 8 (12.3%) 0.1
Prior catheterization 9 (6.7%) 8 (12.3%) 0.18
Prior PCI 14 (21.5%) 21 (15.6%) 0.29
Prior CABG 1 (0.7%) 4 (6.2%) 0.02
Dyspnoea 34 (25.2%) 25 (38.5%) 0.054
Positive troponin 57 (42.2%) 36 (55.4%) 0.08
Pulse rate (mean ± SD) BPM 84.3 ± 21.5 85.8 ± 22.3 0.6
SBP (mean ± SD) mmHg 135.3 ± 24.3 139 ± 27.4 0.3
DBP (mean ± SD) mmHg 82.2 ± 13.2 79.03 ± 11.7 0.09
Ejection fraction 54.8 ± 11.6 51.6 ± 11.9 0.1
Blood sugar 182.6 ± 110.1 197.08 ± 109.9 0.4
Urea (mean ± SD) mg/dL 35.6 ± 15.05 47.2 ± 20.6 <0.0001
Creatinine (mean ± SD) Mg/dL 0.9 ± 0.3 1.04 ± 0.3 0.01
Estimated GFRa (mean ± SD) ml/min/1.73 m2 90.75 ± 20.11 67.4 ± 20.13 <0.0001
Haemoglobin (mean ± SD) gm/L 13.7 ± 2.06 12.7 ± 1.9 0.006
WBC (mean ± SD) × 103/mcL 9.369 ± 3.027 9.362 ± 2.859 0.9
Platelets count (mean ± SD)/mcL 235020 ± 77.075 236250 ± 76.375 0.9
Hospitalization duration (mean ± SD) days 4.9 ± 2.7 4.8 ± 2.8 0.7
GRACE risk class
 Low 75 (55.6%) 9 (13.8%) <0.0001
 Intermediate 39 (28.9%) 12 (18.5%)
 High 21 (15.6%) 44 (67.7%)
  1. aGFR estimated by CKD-EPI creatinine equation