Association between Variation of Troponin and Prognosis of Acute Myocardial Infarction before and after Primary Percutaneous Coronary Intervention
Table 3
Correlation analysis: associations between patient characteristics and cTnI on admission prior PPCI, peak troponin levels after PPCI, and the △cTnI level difference before and after PPCI.
cTnI on admission prior PPCI
Peak troponin levels after PPCI
△cTnI level difference before and after PPCI
Correlation coefficient
value
Correlation coefficient
value
Correlation coefficient
value
Time from symptom onset to admission
0.432
<0.001
−0.004
0.880
−0.161
<0.001
TIMI flow grade prior PPCI
0.046
0.059
−0.206
≤0.001
−0.214
<0.001
Minimum vessel diameter prior PPCI
0.014
0.552
−0.065
0.010
−0.214
<0.001
The use of IABP
0.036
0.136
0.025
0.313
0.056
0.081
GRACE score
0.070
0.011
0.046
0.148
0.017
0.637
Number of stents
−0.037
0.122
<0.001
0.985
−0.028
0.383
Target lesion types
−0.032
0.166
0.021
0.368
0.091
0.005
The status of target organ thrombosis
−0.053
0.034
0.160
<0.001
0.154
<0.001
The target organ completed occlusion or not
−0.068
0.005
0.197
<0.001
0.203
<0.001
The target lesion involves branches or not
0.063
0.009
0.006
0.816
−0.031
0.335
The target organ calcified or not
−0.034
0.165
−0.031
0.224
0.025
0.446
Minimum vessel diameter after PPCI
−0.021
0.386
0.018
0.477
0.019
0.563
TIMI flow grade after PPCI
0.026
0.280
0.050
0.048
−0.001
0.966
LAD on discharge
0.051
0.046
0.135
<0.001
0.145
<0.001
LVEDV on discharge
0.067
0.007
0.116
<0.001
0.139
<0.001
EF on discharge
−0.145
<0.001
−0.156
<0.001
−0.091
<0.001
cTnI, cardiac troponin I; PPCI, primary percutaneous coronary intervention; TIMI, thrombolysis in myocardial infarction; IABP, intra-aortic balloon pump; LAD, left atrial diameter; LVEDV, left ventricular end systolic volume; EF, ejection fraction.
