Table 6.
Univariable and multivariable analyses for potential predictors of ST and/or AMI (all patients). Significant independent predictors are highlighted in grey.
| Univariable Analysis | Multivariable Analysis | |||||
|---|---|---|---|---|---|---|
| Variable | Chi square |
HR (95% CI) |
p value | Chi square |
HR (95% CI) |
p value |
| Presentation with unstable coronary syndrome or AMI (versus stable presentation) |
9.29 | 2.23 (1.32, 3.85) |
0.0023 | 9.08 | 2.27 (1.33, 4.02) |
0.003 |
| Use of uninterrupted DAPT | 8.0 | 2.34 (1.28, 4.64) |
0.0046 | 5.96 | 2.11 (1.15, 4.21) |
0.015 |
| Left ventricular ejection fraction (per 1 % increase) |
7.62 | 0.97 (0.94, 0.99) |
0.006 | 3.79 | 0.98 (0.96, 1.00) |
0.052 |
| Number of medications at discharge (per additional medication) |
5.15 | 1.17 (1.02, 1.33) |
0.023 | 0.97 | 1.08 (0.93, 1.25) |
0.33 |
| Total index lesion length (per 1 mm) | 3.49 | 1.01 (1.00, 1.03) |
0.061 | 0.40 | 1.01 (0.98, 1.03) |
0.53 |
| Hypertension | 2.8 | 2.16 (0.89, 7.13) |
0.09 | 1.85 | 1.92 (0.77, 6.42) |
0.17 |
| Peripheral vascular disease | 2.75 | 1.91 (0.88, 3.68) |
0.091 | 0.60 | 1.36 (0.59, 2.77) |
0.44 |
| Number of lesions undergoing intervention at index PCI (per lesion) |
2.78 | 1.32 (0.95, 1.78) |
0.095 | 0.48 | 1.17 (0.74, 1.86) |
0.49 |
| Use of Coumadin at discharge | 2.6 | 2.17 (0.83, 4.65) |
0.1 | 0.76 | 1.56 (0.53, 3.69) |
0.38 |
| Prior myocardial Infarction | 2.57 | 1.61 (0.89, 2.76) |
0.11 | - | - | - |
| History of prior CABG | 2.09 | 1.6 (0.83, 2.87) |
0.15 | - | - | - |
| Current smoking | 1.9 | 1.55 (0.82, 2.74) |
0.17 | - | - | - |
| Chronic renal impairment | 1.56 | 1.61 (0.74, 3.12) |
0.21 | - | - | - |
| Age (per 1 year increase) | 1.6 | 0.99 (0.96, 1.01) |
0.21 | - | - | - |
| Hyperlipidemia | 0.59 | 0.65 (0.44, 3.26) |
0.44 | - | - | - |
| Stenting of left main coronary artery | 0.44 | 1.52 (0.37, 4.12) |
0.5 | - | - | - |
| Male gender | 0.32 | 1.18 (0.69, 2.08) |
0.56 | - | - | - |
| Peri-procedural glycoprotein IIb/IIIa inhibitor use |
0.28 | 0.87 (0.51, 1.47) |
0.60 | - | - | - |
| Multivessel coronary artery disease | 0.23 | 0.88 (0.52, 1.46) |
0.63 | - | - | - |
| Dialysis | 0.66 | 0.66 (0.04, 2.98) |
0.66 | - | - | - |
| Prior cerebrovascular accident | 0.18 | 1.26 (0.38, 3.06) |
0.66 | - | - | - |
| Diabetes | 0.16 | 1.11 (0.65, 1.86) |
0.68 | - | - | - |
| Hemoglobin concentration pre-PCI (per 1 g/dL increase) |
0.06 | 0.98 (0.84, 1.14) |
0.8 | - | - | - |
Note that left ventricular ejection fraction was a borderline significant independent predictor.
Abbreviations not previously defined: HR, hazard ratio.