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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