Table 2.
Characteristic | Total (n = 1,549) | Men (n = 514) | Women (n = 1,035) | p valuea |
---|---|---|---|---|
Pain quality | ||||
Squeezing | 568 (36.7) | 207 (40.3) | 361 (34.9) | 0.022 |
Pressure | 396 (25.6) | 128 (24.9) | 268 (25.9) | 0.361 |
Stinging | 261 (16.8) | 93 (18.1) | 168 (16.2) | 0.197 |
Burning | 68 (4.4) | 20 (3.9) | 48 (4.6) | 0.297 |
Dull | 237 (15.3) | 59 (11.5) | 178 (17.2) | 0.002 |
Pain location | ||||
Retrosternal | 817 (52.7) | 256 (49.8) | 561 (54.2) | 0.057 |
Left side of chest | 368 (23.8) | 160 (31.1) | 208 (20.1) | < 0.001 |
Right side of chest | 47 (3.0) | 17 (3.3) | 30 (2.9) | 0.382 |
Epigastric | 317 (20.5) | 81 (15.8) | 236 (22.8) | 0.001 |
Pain duration | ||||
< 5 min | 719 (46.4) | 249 (48.4) | 470 (45.4) | 0.142 |
5–15 min | 281 (18.1) | 99 (19.3) | 182 (17.6) | 0.230 |
15 min–1 hr | 159 (10.3) | 55 (10.7) | 104 (10.0) | 0.376 |
> 1 hr | 390 (25.2) | 111 (21.6) | 279 (27.0) | 0.012 |
Aggravating factors | ||||
Exercise | 449 (29.0) | 161 (31.3) | 288 (27.8) | 0.086 |
Meal | 35 (2.3) | 12 (2.3) | 23 (2.2) | 0.509 |
Stress | 122 (7.9) | 36 (7.0) | 86 (8.3) | 0.214 |
Low temperature | 32 (2.1) | 11 (2.1) | 21 (2.0) | 0.510 |
Alcohol | 10 (0.6) | 6 (1.2) | 4 (0.4) | 0.074 |
Location of radiating pain | ||||
Left arm | 128 (8.3) | 37 (7.2) | 91 (8.8) | 0.165 |
Right arm | 42 (2.7) | 9 (1.8) | 33 (3.2) | 0.067 |
Neck | 99 (6.4) | 32 (6.2) | 67 (6.5) | 0.473 |
Back | 148 (9.6) | 29 (5.6) | 119 (11.5) | < 0.001 |
Associated symptoms | ||||
Palpitation | 168 (10.8) | 43 (8.4) | 125 (12.1) | 0.016 |
Dizziness | 164 (10.6) | 55 (10.7) | 109 (10.5) | 0.491 |
Syncope | 27 (1.7) | 9 (1.8) | 18 (1.7) | 0.566 |
Dyspnea | 369 (23.8) | 115 (22.4) | 254 (24.5) | 0.190 |
Headache | 88 (5.7) | 19 (3.7) | 69 (6.7) | 0.010 |
Values are presented as number (%).
The result of chi-square test between men and women.