TABLE 5.
Characteristics Associated With Symptom Trajectory Groups
| Age (years)
|
Sex (female)
|
DX: UA
|
DX: NSTEMI
|
DX: STEMI
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Symptom/trajectory group | M | (SD) | n | (%) | n | (%) | n | (%) | n | (%) |
| Chest discomfort | ||||||||||
| Tapering off | 59.8 | (14.08) | 257 | (38.4) | 64 | (9.6) | 154 | (23.1) | 66 | (9.9) |
| Mild/persistent | 55.9 | (12.77) | 38 | (41.8) | 12 | (13.2) | 13* | (14.3) | 7 | (7.7) |
| Moderate/worsening | 53.5** | (14.76) | 25 | (44.6) | 4 | (7.1) | 6 | (10.7) | 1 | (1.8) |
| Chest pain | ||||||||||
| Tapering off | 59.6 | (14.24) | 261 | (37.5) | 65 | (9.4) | 160 | (23.1) | 68 | (9.8) |
| Moderate/worsening | 56.1 | (14.24) | 34 | (47.9) | 10 | (14.1) | 6* | ( 8.5) | 2 | (2.8) |
| Chest pressure | ||||||||||
| Tapering off | 59.5 | (14.12) | 267 | (38.3) | 68 | (9.8) | 157 | (22.6) | 65 | (9.4) |
| Moderate/worsening | 57.4 | (13.75) | 45 | (48.9) | 14 | (15.2) | 9* | (9.8) | 3 | (3.3) |
| Lightheadedness | ||||||||||
| Mild/persistent | 60.0 | (14.11) | 219 | (35.2) | 58 | (9.4) | 149 | (24.1) | 70 | ( 11.3) |
| Moderate/improving | 57.8* | (15.17) | 82 | (51.6) | 12 | (7.6) | 19** | (12.0) | 4* | (2.5) |
| Shortness of breath | ||||||||||
| Late onset | 60.9 | (14.28) | 165 | (34.1) | 54 | (11.2) | 126 | (26.2) | 62 | (12.9) |
| Moderate/persistent | 50.8 | (14.36) | 81 | (46.8) | 14 | (8.1) | 19** | (11.0) | 7** | (4.1) |
| Severe/improving | 57.1** | (14.36) | 61 | (45.5) | 7** | (5.2) | 18** | (13.4) | 4** | (3.0) |
| Shoulder pain | ||||||||||
| Late onset | 60.2 | (13.94) | 182 | ( 35.3) | 58 | (11.3) | 125 | (24.3) | 59 | (11.5) |
| Moderate/persistent | 58.8 | (13.73) | 43 | (51.8) | 10 | (10.8) | 10* | (12.1) | 2* | (2.4) |
| Severe/improving | 58.0 | (15.55) | 30* | (52.6) | 5 | (8.9) | 10 | (17.9) | 3 | (5.4) |
| Mild/persistent | 56.5* | (13.56) | 35 | (39.8) | 8 | (9.2) | 13* | (14.9) | 2* | (2.3) |
| Unusual fatigue | ||||||||||
| Tapering off | 60.2 | (14.25) | 236 | (36.2) | 62 | (9.6) | 153 | (23.6) | 67 | (10.3) |
| Moderate/worsening | 59.1 | (13.18) | 57** | (57.0) | 10 | (10.0) | 14 | (14.0) | 5 | (5.0) |
| Mild/persistent | 59.1 | (13.41) | 32 | (47.7) | 9 | (13.4) | 10 | (14.9) | 6 | (9.0) |
| Upper back pain | ||||||||||
| Late onset | 59.7 | (13.69) | 168 | (34.6) | 48 | (10.0) | 131 | (27.3) | 53 | (11.0) |
| Moderate/improving | 55.4* | (15.58) | 39 | (45.9) | 11 | (12.9) | 5** | (5.9) | 4* | (4.7) |
| Mild/persistent | 59.9 | (13.75) | 46 | (45.1) | 11 | (10.8) | 16* | (15.7) | 6 | (5.9) |
| Severe/improving | 60.2 | (15.23) | 36** | 2 | (9.6) | 8 | (15.1) | 0** | (0.0) | |
Note. Italic font signifies largest class for each symptom. DX = cardiac diagnosis; NSTEMI = non-ST-segment elevation myocardial infarction; STEMI = ST-segment elevation myocardial infarction; UA = unstable angina.
*
Signficant vs. largest class at p < .05.
**
Significant vs. largest class at p < .01.