Table 2.
Positive troponin population data analysis by troponin level strata.
| N | Low | Medium | High | Combined | P value | |
|---|---|---|---|---|---|---|
| N = 383 | N = 339 | N = 82 | N = 804 | |||
| Age | 804 | 59 72 82 | 58 70 81 | 57 67 80 | 58 71 81 | 0.221 |
| Sex | 804 | 0.952 | ||||
| Female | 46% (177) | 47% (160) | 48% (39) | 47% (376) | ||
| Male | 54% (206) | 53% (179) | 52% (43) | 53% (428) | ||
| First cTnI | 804 | 0.05 0.06 0.08 | 0.12 0.20 0.35 | 1.73 3.00 6.29 | 0.06 0.10 0.27 | <0.0011 |
| Type of diagnosis | 804 | <0.0012 | ||||
| Type 1 MI | 6% (23) | 9% (32) | 41% (34) | 11% (89) | ||
| Other cardiovascular diagnoses | 39% (148) | 33% (111) | 22% (18) | 34% (277) | ||
| Noncardiovascular | 55% (212) | 58% (196) | 37% (30) | 54% (438) | ||
| eGFR | 758 | 30 53 75 | 26 49 72 | 38 64 85 | 29 52 75 | 0.0151 |
| CKMB | 759 | 1.2 2.4 4.0 | 1.6 3.0 5.3 | 5.1 9.2 21.3 | 1.6 2.9 5.5 | <0.0011 |
| Creatinine | 758 | 0.90 1.21 2.00 | 0.94 1.30 2.30 | 0.87 1.08 1.60 | 0.90 1.24 2.04 | 0.0261 |
| MI | 804 | <0.0012 | ||||
| No | 94% (360) | 91% (307) | 59% (48) | 89% (715) | ||
| Yes | 6% (23) | 9% (32) | 41% (34) | 11% (89) | ||
| Urgent revascularization | 804 | <0.0012 | ||||
| No | 95% (364) | 94% (320) | 66% (54) | 92% (738) | ||
| Yes | 5% (19) | 6% (19) | 34% (28) | 8% (66) | ||
| Status | 804 | 0.0012 | ||||
| Alive | 93% (355) | 88% (299) | 79% (65) | 89% (719) | ||
| Died | 7% (28) | 12% (40) | 21% (17) | 11% (85) |
a b c represent the lower quartile a, the median b, and the upper quartile for continuous variables.
N is the number of nonmissing values.
Numbers after percents are frequencies.
Tests used: 1Kruskal-Wallis test; 2Pearson's test.