Table 1.
Baseline characteristics, stratified by myocardial infarction with no obstructive coronary arteries (MINOCA) and ischemia with no obstructive coronary arteries (INOCA) patient groups
| Variable | MINOCA patients (n = 51) | INOCA patients (n = 112) | P | |
|---|---|---|---|---|
| Demographics | ||||
| Age, y, mean (SD) | 55.7 (11.1) | 58.3 (11.3) | 0.16 | |
| Race, Caucasian | 43 (84) | 95 (85) | 0.94 | |
| Partnered status, partnered | 45 (88) | 84 (75) | 0.09 | |
| Education level | High school or less | 7 (14) | 20 (18) | 0.76 |
| Some postsecondary | 29 (57) | 56 (50) | ||
| Higher than Bachelor's | 9 (18) | 25 (22) | ||
| Missing∗ | 6 (12) | 11 (10) | ||
| Working status | Employed | 31 (61) | 56 (50) | 0.36 |
| Not employed (including retired) | 15 (29) | 46 (41) | ||
| On medical leave or disability | 5 (10) | 10 (9) | ||
| Clinical | ||||
| Family history of premature heart disease | 12 (24) | 39 (35) | 0.21 | |
| Prior transient ischemic attack | 0 (0) | 2 (2) | 0.85 | |
| Dyslipidemia | 23 (45) | 60 (54) | 0.40 | |
| Diabetes | 9 (18) | 13 (12) | 0.42 | |
| Hypertension | 17 (33) | 53 (47) | 0.13 | |
| Obesity (body mass index ≥30 kg/m2) | 4 (8) | 24 (21) | 0.06 | |
| Smoking history, current or former | 9 (18) | 22 (20) | 0.93 | |
| Arrhythmia | 3 (6) | 5 (4) | 1 | |
| Depression | 19 (37) | 52 (46) | 0.36 | |
| Anxiety | 14 (27) | 26 (23) | 0.70 | |
| Thyroid dysfunction | 8 (16) | 23 (21) | 0.61 | |
| Chronic renal dysfunction | 1 (2) | 2 (2) | 1 | |
| Migraine history | 23 (45) | 28 (25) | 0.02 | |
| Raynaud's history | 7 (14) | 9 (8) | 0.40 | |
| Chronic obstructive pulmonary disease | 1 (2) | 4 (4) | 0.95 | |
| Autoimmune disease | 9 (18) | 30 (27) | 0.29 | |
| Female-specific | ||||
| Menopause status, pre/peri | 15 (29) | 30 (27) | 0.87 | |
| Number of children born | 0 or 1 | 10 (20) | 21 (19) | 0.78 |
| 2 or 3 | 31 (61) | 72 (64) | ||
| ≥ 4 | 3 (6) | 9 (8) | ||
| Missing∗ | 7 (14) | 10 (9) | ||
| Preeclampsia or hypertension in pregnancy | Yes | 10 (20) | 16 (14) | 0.39 |
| Missing∗ | 7 (14) | 10 (9) | ||
| Polycystic ovarian syndrome | Yes | 3 (6) | 12 (11) | 0.55 |
| Missing∗ | 5 (10) | 13 (12) | ||
All values are represented as n (%), unless otherwise indicated.
SD, standard deviation.
∗
Counts of missing variables were included if > 5% were missing, and they were not included in the P-value calculations.