Table 1.
Baseline characteristics
| Group I N = 13 | Group II N = 15 | Group III N = 81 | Group IV N = 45 | Group V N = 30 | P | |
|---|---|---|---|---|---|---|
| Age (yrs) |
63.3 ± 5.1 |
65.2 ± 7.4 |
76.0 ± 7.6 |
74.2 ± 8.7 |
75.2 ± 12.9 |
0.000 |
| Male (%) |
8 (61.5) |
11 (73.3) |
48 (69.2) |
24 (53.3) |
18 (60.0) |
NS |
| BMI (kg/m2) |
25.9 ± 1.7 |
27.3 ± 5.2 |
25.6 ± 1.6 |
23.8 ± 2.9 |
23.9 ± 2.1 |
0.000 |
| Risk factor (%) | ||||||
| Hypertension |
3 (23.1) |
12 (80.0) |
51 (62.9) |
21 (46.7) |
27 (90.0) |
0.001 |
| DM |
8 (61.5) |
9 (60.0) |
27 (33.3) |
15 (33.3) |
15 (50.0) |
NS |
| Smoking |
3 (23.1) |
5 (33.3) |
19 (23.5) |
17 (37.7) |
8 (26.7) |
NS |
| Hyperlipidemia |
8 (61.5) |
9 (60.0) |
18 (22.2) |
6 (13.3) |
9 (30.0) |
0.0003 |
| IHD |
3 (23.1) |
7 (46.7) |
30 (37.0) |
22 (48.9) |
22 (73.3) |
0.005 |
| Symptom at admission (%) | ||||||
| Chest pain |
8 (61.5) |
10 (66/7) |
39 (50.0) |
29 (64.4) |
21 (70.0) |
NS |
| Dyspnea |
0 (0.0) |
1 (6.7) |
5 (6.4) |
3 (6.7) |
2 (6.7) |
NS |
| Killip class |
1.67 ± 1.1 |
1.67 ± 1.2 |
2.3 ± 1.2 |
2.5 ± 1.1 |
3.3 ± 0.5 |
0.000 |
| Diagnosis |
|
|
|
|
|
NS |
| UA |
8 (61.5) |
11 (73.3) |
54 (6.7) |
27 (60.0) |
21 (70.0) |
NS |
| NSTEMI |
5 (38.5) |
2 (13.3) |
23 (28.4) |
15 (33.3) |
6 (20.0) |
NS |
| STEMI | 0 (0) | 2 (13.3) | 4 (4.9) | 3 (6.7) | 3 (10.0) | NS |
DM, diabetes mellitus; IHD, ischemic heart disease; STEMI, ST-segment elevation myocardial infarction; NSTEMI, non-ST-segment myocardial infarction; UA, unstable angina; NS, not significant.