Table 2. Laboratory, electrocardiographic and risk scoring results of the study population by levels of sex-minute walk test distance.
6MWT levels (m) | |||||
All group | Level I (>450 m) | Level II (300–450 m) | Level III (<300 m) | P | |
Number of pt. | 100 pt | 40 pt | 32 pt | 28 pt | |
Basal CK (U/L) | 1616±195 | 1454±262 | 1211±270 | 2160±437 | NS * |
Cumulative 48-h CK release (U/L) | 9085 (5976–14593) | 8174 (4135–13482) | 8465 (4558–14466) | 9296 (6013–15012) | NS * |
Serum creatinine levels (µmol/L) | 0.002 * | ||||
0.4–O.79 | 21(21%) | 14 | 4 | 3 | |
0.8–1.1 | 46(46%) | 22 | 15 | 9 | |
1.2–1.59 | 19(19%) | 3 | 7 | 9 | |
1.6–1.99 | 7(7%) | 0 | 3 | 4 | |
2–3.99 | 7(7%) | 0 | 3 | 4 | |
Success of fibrinolysis using ECG ST resolution | 0.04 † | ||||
<50% | 60 (60%) | 12 | 22 | 26 | |
50–75% | 30 (30%) | 14 | 14 | 2 | |
>75% | 10 (10%) | 6 | 3 | 1 | |
TIMI risk score | 3.4±2 | 2.9±2 | 3.6±2 | 3.6±2 | NS * |
GRACE risk score | 147±29 | 123±17 | 161±27 | 166±21 | <0.001 * |
Low risk (49–125) | 25 (25%) | 25 | 0 | 0 | |
Intermediate risk (126–154) | 33 (33%) | 15 | 14 | 4 | |
High risk (155–319) | 42 (42%) | 0 | 17 | 25 |
Data are presented as mean ± standard deviation, number (%) of patients.
*Compared using ANOVA test.
Compared using Chi-square or Fisher exact test. TIMI = Thrombolysis In Myocardial Infarction; CK = creatine kinase; 6MWT = sex-minute walk test; GRACE = Global Registry of Acute Coronary Events; NS = not significant.