Table 1.
Univariate Analysis Comparing Baseline Demographic, Clinical, and Angiographic Variables of Provisional Stent Group Versus the No-Stent Group
| Parameter | No Provisional Stent | Provisional Stent | p Value |
|---|---|---|---|
| Age (years) | 67.17 ± 10.38 | 72.23 ± 13.32 | NS |
| BMI | 29.26 ± 5.76 | 27.31 ± 5.64 | NS |
| Male (%) | 60 | 69.6 | NS |
| Smoking (current) | 31.4 | 27.3 | NS |
| ABI: treated leg at baseline | 0.76 ± 0.25 | 0.72 ± 0.19 | NS |
| hs-CRP at baseline (mg/L) | 9.48 ± 11.03 | 8.98 ± 20.86 | NS |
| Prestenosis (%) | 82.77 ± 12.86 | 86.03 ± 13.36 | NS |
| Poststenosis (%) | 12.22 ± 8.30 | 4.22 ± 7.52 | 0.001 |
| Post TIMI flow | 2.98 ± 0.14 | 2.91 ± 0.53 | NS |
| Runoff treated leg | 2.03 ± 0.98 | 1.68 ± 0.89 | NS |
| Lesion length (mm) | 81.63 ± 84.99 | 98.59 ± 84.95 | NS |
| Balloon pressure (atm) | 8.92 ± 2.37 | 10.19 ± 2.16 | 0.016 |
| Hypertension (%) | 80 | 81.8 | NS |
| Hypercholesterolemia (%) | 80 | 68.2 | NS |
| Diabetes (%) | 51.4 | 36.4 | NS |
| Presence of angiographic thrombus (%) | 5.7 | 4.3 | NS |
| hs-CRP at 48 hours posttreatment (mg/L) | 24.81 ± 23.05 | 37.02 ± 29.12 | NS |
| Rutherford class II to V (%) | 100 | 100 | NA |
| Segment treated | NS | ||
| Femoral | 65.4 | 78.1 | |
| Tibial | 34.6 | 21.9 | |
| TASC lesions (%) | NS | ||
| TASC D | 9.6 | 22.6 | |
| TASC A, B, C | 90.4 | 77.4 | |
| Calcium (%) | 0.008 | ||
| None to little | 86.5 | 59.4 | |
| Moderate | 13.5 | 40.6 |
ABI, ankle brachial index; BMI, body mass index; hs-CRP, high sensitivity C-reactive protein; NS, not significant; TASC, Transatlantic Intersociety Consensus 2002; TIMI, thrombolysis in myocardial infarction.