Skip to main content
. 2021 Apr 27;5(4):e26955. doi: 10.2196/26955

Table 1.

Risk factors and history of the 1552 included individuals with and without myocardial infarction history (two missing values).

Characteristics Without myocardial infarction history With myocardial infarction history P value for total P value for symptomatic

Total (n=847) Symptomatic (n=143) Total (n=703) Symptomatic (n=169)

Risk factors

Age (years), median (IQR) 49 (19-65) 56 (43-69) 64 (55-74) 63 (55-74) <.001 <.001

Active smoker (age≥15 years), n/N (%) 138/716 (19.27) 23/137 (16.79) 83/701 (11.84) 24/168 (14.29) <.001 .63

BMI≥30, n/N (%) 73/733 (9.96) 18/136 (13.24) 92/661 (13.92) 26/162 (16.05) .02 .51

Hypertension, n (%) 98 (11.57) 22 (15.38) 176 (25.04) 54 (31.95) <.001 <.001

Diabetes, n (%) 53 (6.26) 12 (8.9) 118 (16.79) 35 (20.71) <.001 <.001

Heart failure, n (%) 6 (0.71) 4 (2.80) 64 (9.10) 30 (17.75) a
History, n (%)

Asthma 23 (2.72) 6 (4.20) 17 (2.42) 6 (3.55) .75

Rheumatism/polyarthritis 26 (3.07) 13 (9.09) 35 (4.98) 22 (13.02) .75 .77

Cancer 23 (2.72) 6 (4.20) 33 (4.69) 8 (4.73) .04

Hypothyroidism 30 (3.54) 13 (9.09) 16 (2.28) 6 (3.55) .17

Stroke/stroke-like 6 (0.71) 3 (2.10) 32 (4.55) 5 (2.96)

Renal disease 4 (0.47) 2 (1.40) 21 (2.99) 7 (4.14)

Respiratory failure 7 (0.83) 0 (0.00) 18 (2.56) 8 (4.73)

Neurologic disease 8 (0.94) 1 (0.70) 13 (1.85) 7 (4.14)

Chronic obstructive pulmonary disease 5 (0.59) 2 (1.40) 11 (1.56) 4 (2.37)

Immune disease 5 (0.59) 1 (0.70) 7 (1.00) 2 (1.18)

Liver disease 3 (0.35) 1 (0.70) 5 (0.71) 0 (0.00)

Emphysema 2 (0.24) 1 (0.70) 5 (0.71) 1 (0.59)

Oxygen at home 1 (0.12) 0 (0.00) 4 (0.57) 1 (0.59)

Other (ie, dyslipidaemia) 39 (4.60) 12 (8.39) 57 (8.11) 14 (8.28) <.001 >.99

aNot available because frequencies were insufficient to provide a statistical test value.