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Table 2 CVD symptoms and risk factors of the cohort based on ECG recordings

From: Tele-ECG consulting and outcomes on primary care patients in a low-to-middle income population: the first experience from Makassar telemedicine program, Indonesia

Variablesa Normal ECG
(n = 253)
Abnormal ECG
(n = 252)
Total
(n = 505)
p-value
CVD Symptoms:
 Chest pain 164 (64.8) 153 (60.7) 317 (62.8) 0.340
   ≥ 15 min. 17 (6.7) 30 (11.9) 47 (9.3) 0.045
  Female sex 105 (64.0) 76 (49.7) 181 (57.1) 0.010
 Heartburn 19 (7.5) 14 (5.6) 33 (6.5) 0.374
 Dyspnea 27 (10.7) 54 (21.4) 81 (16.0) 0.001
 Palpitation 24 (9.5) 38 (15.1) 62 (12.3) 0.055
 Syncopeb 0 (0.0) 1 (0.4) 1 (0.2) 0.499
 Dizziness/headache 20 (7.9) 24 (9.5) 44 (8.7) 0.519
 Recurrent symptoms 64 (25.3) 78 (31.0) 142 (28.1) 0.157
CVD Risk Factors:
 Hypertension 99 (39.1) 155 (61.5) 254 (50.3) < 0.001
 Known diabetes 15 (5.9) 29 (11.5) 44 (8.7) 0.026
 Current smoking 37 (14.6) 70 (27.8) 107 (21.2) < 0.001
  Sticks/day 10 ± 7 12 ± 6 11 ± 6 0.147
 Family CVD 15 (5.9) 12 (4.8) 27 (5.3) 0.067
 Obese (BMI ≥25) 106 (41.9) 108 (42.9) 214 (42.4) 0.827
  1. Values are n (%) or means ± SD, unless otherwise stated. Comparison was performed using independent-samples t-test for continuous variables and Pearson Chi-square test for categorical variables
  2. ECG electrocardiogram, CVD cardiovascular disease, min. minutes
  3. aMore than one symptom and/or risk factor is possible
  4. bComparison was performed using Fisher’s Exact test