Table VI.
Logistic regression analysis
| Variable | Univariate: Early stroke | ||
| OR | 95% CI | P value | |
| Age | 1.03 | (0.96–1.11) | .4058 |
| Gender (male vs female) | 0.86 | (0.23–3.24) | .8223 |
| Hypertension | 1.04 | (0.13–8.52) | .9683 |
| Coronary artery disease | 1.33 | (0.27–6.51) | .7215 |
| Congestive heart failure | 1.63 | (0.4–6.61) | .4977 |
| Hypercholesterolemia | 1.10 | (0.23–5.4) | .9026 |
| Renal failure | 1.00 | (0.21–4.91) | .9971 |
| Indication | |||
| Asymptomatic | 0.10 | (0.01–0.81) | .031 |
| TIA | 13.69 | (1.7–110.47) | .014 |
| Stroke | 1.10 | (0.14–9.02) | .9273 |
| Preprocedure stenosis (70%–99% vs 50%–69%) | 0.56 | (0.07–4.6) | 0.5852 |
| Lesion length (≥15 mm) | 0.96 | (0.25–3.62) | .9501 |
| Pre-PTA performed before EPD | 6.09 | (1.19–31.2) | .0303 |
| Pre-PTA performed before stent | 1.73 | (0.43–7.01) | .4413 |
| Target site calcification-heavy | 5.4 | (1.16–24.66) | .0315 |
| Univariate: Early MI/stroke/death | |||
| OR | 95% UCL | P value | |
| Age | 1.02 | (0.97, 1.06) | .5127 |
| Gender (male vs female) | 1.00 | (0.42, 2.38) | .9913 |
| Hypertension | 0.42 | (0.15, 1.19) | .101 |
| Coronary artery disease | 1.01 | (0.39, 2.65) | .981 |
| Congestive heart failure | 0.94 | (0.34, 2.62) | .9102 |
| Hypercholesterolemia | 0.66 | (0.26, 1.66) | .3781 |
| Renal failure | 1.34 | (0.51, 3.51) | .5558 |
| Indication | |||
| Asymptomatic | 0.46 | (0.19, 1.12) | .0858 |
| TIA | 2.04 | (0.86, 4.82) | .1055 |
| Stroke | 0.88 | (0.2, 3.87) | .8603 |
| Preprocedure stenosis (70%–99% vs 50%–69%) | 0.58 | (0.13, 2.66) | .4833 |
| Lesion length (≥15 mm) | 0.43 | (0.17, 1.12) | .0831 |
| EPD (ACCUNETa vs other) | 0.27 | (0.08, 0.95) | .0413 |
| Pre-PTA performed before EPD | 2.07 | (0.45, 9.45) | .35 |
| Pre-PTA performed before stent | 1.03 | (0.44, 2.43) | .9463 |
| Poststent PTA performed | 2.16 | (0.63, 7.43) | .2232 |
| Target site calcification | 2.18 | (0.68, 6.98) | .1888 |
| Multivariate: Early stroke | |||
| OR | 95% CI | P value | |
| TIA indication | 11.05 | (1.28–95.47) | .029 |
| Pre-PTA performed before EPD | 6.15 | (0.91–41.44) | .062 |
| Target site calcification: heavy | 4.25 | (0.81–22.32) | .0871 |
| Multivariate: Early MI/stroke/death | |||
| OR | 95% LCL | P value | |
| EPD: ACCUNET vs other | 0.27 | (0.08, 0.94) | .0389 |
CI, Confidence interval; EPD, embolic protection device; LCL, lower confidence limit; MI, myocardial infarction; PTA, percutaneous transluminal balloon angioplasty; TIA, transient ischemic attack; UCL, upper confidence limit.
a
Abbott, Abbott Park, Ill.