Diagnostic Implications of an Elevated Troponin in the Emergency Department
Table 3
Positive troponin population data analysis by diagnostic groups.
Type I MI
Other cardiovascular diagnoses
Noncardiovascular
Combined
value
= 89
= 277
= 438
= 804
Age
804
57 64 77
57 69 80
60 74 83
58 71 81
<0.0011
Sex
804
0.382
Female
40% (36)
46% (128)
48% (212)
47% (376)
Male
60% (53)
54% (149)
52% (226)
53% (428)
First cTnI
804
0.09 0.34 2.49
0.06 0.09 0.21
0.06 0.10 0.24
0.06 0.10 0.27
<0.0011
First cTnI (categorized)
804
<0.0012
Low
26% (23)
53% (148)
48% (212)
48% (383)
Medium
36% (32)
40% (111)
45% (196)
42% (339)
High
38% (34)
6% (18)
7% (30)
10% (82)
eGFR
758
52 73 90
30 51 72
25 50 72
29 52 7
<0.0011
CKMB
759
1.9 3.6 9.5
1.6 2.7 4.2
1.5 2.9 5.6
1.6 2.9 5.5
0.0031
Creatinine
758
0.80 1.00 1.26
0.90 1.30 2.00
0.98 1.30 2.35
0.90 1.24 2.04
<0.0011
MI
804
<0.0012
No
0% (0)
100% (277)
100% (438)
89% (715)
Yes
100% (89)
0% (0)
0% (0)
11% (89)
Urgent revascularization
804
<0.0012
No
26% (23)
100% (277)
100% (438)
92% (738)
Yes
74% (66)
0% (0)
0% (0)
8% (66)
Status
804
<0.0012
Alive
94% (84)
96% (267)
84% (368)
89% (719)
Died
6% (5)
4% (10)
16% (70)
11% (85)
represent the lower quartile , the median , and the upper quartile for continuous variables. is the number of nonmissing values. Numbers after percents are frequencies. Tests used: 1Kruskal-Wallis test; 2Pearson’s test.