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Table 1 Baseline and clinical characteristics of the participants according to ECG findings

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

Variables Normal ECG
(n = 253)
Abnormal ECG
(n = 252)
Total
(n = 505)
p-value
Age (years) 50.7 ± 14.1 56.0 ± 12.6 53.3 ± 13.6 < 0.001
Male sex 85 (33.6) 118 (46.8) 203 (40.2) 0.002
Systolic BP (mmHg) 124.7 ± 15.6 136.2 ± 22.2 130.4 ± 20.0 < 0.001
Diastolic BP (mmHg) 79.5 ± 8.2 82.5 ± 9.4 81.0 ± 8.9 < 0.001
Heart rate (bpm) 77.9 ± 9.5 83.5 ± 16.9 80.7 ± 14.0 < 0.001
BMI (kg/m2)a 24.2 (21.8–26.7) 24.1 (21.4–27.2) 24.2 (21.6–26.9) 0.788
Low-to-middle SES 213 (84.2) 201 (79.8) 414 (82.0) 0.196
Previous Diseases:
 Cardiovascular diseaseb 2 (0.8) 8 (3.2) 10 (2.0) < 0.001
 COPDb 5 (2.0) 2 (0.8) 7 (1.4) 0.055
Previous Medications:
 Anti-hypertension 61 (24.1) 110 (43.7) 171 (33.9) < 0.001
 Anti-diabetic 14 (5.5) 29 (11.5) 43 (8.5) 0.016
 Anti-cholesterol 9 (3.6) 19 (7.5) 28 (5.5) 0.051
 Anti-platelet 1 (0.4) 11 (4.4) 12 (2.4) 0.003
 Anti-arrhythmiab 0 (0.0) 2 (0.8) 2 (0.4) 0.249
  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, BP blood pressure, bpm beat per minute, BMI body mass index, SES socio-economic status, COPD chronic obstructive pulmonary disease
  3. aValues are medians (Q1-Q3). Comparison was done using Mann-Whitney U test
  4. bComparison was performed using Fisher’s Exact test