Table 3.
PCI-related findings.
| Non/Mild Calcification (n = 171) | Moderate/ Severe Calcification (n = 94) |
p | Matched Non/Mild Calcification (n = 81) | Matched Moderate/Severe Calcification (n = 72) | p | |
|---|---|---|---|---|---|---|
| Vascular Access | 0.002 | 0.019 | ||||
| Radial | 85.38% (146) | 69.15% (65) | 85.19% (69) | 69.44% (50) | ||
| Femoral | 14.62% (25) | 30.85% (29) | 14.81% (12) | 30.56% (22) | ||
| Pre-dilation | 97.08% (166) | 97.87% (92) | 0.699 | 98.77% (80) | 98.61% (71) | 0.933 |
| Pre-Stent-Balloon type | 0.103 | 0.269 | ||||
| Semi-compliant balloon | 94.74% (162) | 90.43% (85) | 0.182 | 97.53% (79) | 90.28% (65) | 0.057 |
| Non-compliant balloon | 2.34% (4) | 3.19% (3) | 0.679 | 1.23% (1) | 2.78% (2) | 0.492 |
| Stent-balloon | 0% (0) | 1.06% (1) | 0.177 | 0% (0) | 1.39% (1) | 0.287 |
| Scoring balloon | 0% (0) | 3.19% (3) | 0.019 | 0% (0) | 4.17% (3) | 0.064 |
| Pre-dilation balloon diameter size (mm) | 2.57 ± 0.37 | 2.64 ± 0.38 | 0.208 | 2.58 ± 0.35 | 2.62 ± 0.39 | 0.457 |
| Pre-dilation balloon length (mm) | 17.51 ± 2.53 | 16.61 ± 2.68 | 0.008 | 17.24 ± 2.52 | 17.01 ± 2.88 | 0.612 |
| Pre-dilation balloon maximum pressure (atm) | 11.62 ± 3.03 | 12.48 ± 2.93 | 0.029 | 11.96 ± 3.12 | 12.28 ± 3.11 | 0.531 |
| Pre-dilation balloon maximum diameter (mm) | 2.68 ± 0.37 | 2.76 ± 0.38 | 0.101 | 2.69 ± 0.32 | 2.74 ± 0.39 | 0.420 |
| Plaque modification | 0% (0) | 4.26% (4) | 0.007 | 0% (0) | 4.17% (3) | 0.064 |
| Rotablator | 0% (0) | 1.06% (1) | 0.177 | 0% (0) | 0% (0) | N/A |
| Scoring balloon | 0% (0) | 3.19% (3) | 0.019 | 0% (0) | 4.17% (3) | 0.064 |
| Stent diameter size (mm) * | 3.35 ± 0.51 | 3.21 ± 0.50 | 0.034 | 3.28 ± 0.47 | 3.25 ± 0.53 | 0.673 |
| Stent length size (mm) * | 26.00 (22.00,34.00) | 30.00 (22.00,34.00) | 0.062 | 26.00 (22.00,34.00) | 30.00 (26.00,37.00) | 0.113 |
| Number of stents per lesion | 1.07 ± 0.26 | 1.16 ± 0.37 | 0.038 | 1.09 ± 0.28 | 1.14 ± 0.35 | 0.306 |
| Total stent length (mm) | 26.00 (22.00,34.00) | 30.00 (22.00,38.00) | 0.010 | 26.00 (22.00,34.00) | 30.00 (26.00,38.00) | 0.062 |
| Stent-balloon maximum pressure at deployment (atm) * | 13.99 ± 2.84 | 13.18 ± 2.58 | 0.022 | 13.62 ± 2.85 | 13.35 ± 2.77 | 0.554 |
| Stent maximum diameter at deployment (mm) * | 3.42 ± 0.52 | 3.24 ± 0.52 | 0.008 | 3.34 ± 0.47 | 3.28 ± 0.56 | 0.487 |
| Post-dilation | 62.57% (107) | 77.66% (73) | 0.012 | 65.43% (53) | 80.56% (58) | 0.036 |
| Post-dilation balloon type | 0.072 | 0.151 | ||||
| Semi-compliant balloon | 1.75% (3) | 3.19% (3) | 0.452 | 1.23% (1) | 1.39% (1) | 0.933 |
| Non-compliant balloon | 57.89% (99) | 72.34% (68) | 0.020 | 64.20% (52) | 77.78% (56) | 0.066 |
| Stent-balloon | 2.92% (5) | 2.13% (2) | 0.699 | 0% (0) | 1.39% (1) | 0.287 |
| Post-dilation balloon diameter size (mm) | 3.61 ± 0.53 | 3.39 ± 0.44 | 0.005 | 3.58 ± 0.51 | 3.43 ± 0.44 | 0.100 |
| Post-dilation balloon length (mm) | 12.32 ± 3.92 | 12.84 ± 3.76 | 0.377 | 11.42 ± 3.55 | 12.83 ± 3.82 | 0.047 |
| Post-dilation balloon maximum pressure (atm) | 16.70 ± 3.67 | 16.38 ± 3.31 | 0.554 | 16.72 ± 4.00 | 16.34 ± 2.93 | 0.575 |
| Post-dilation balloon maximum diameter (mm) | 3.71 ± 0.52 | 3.48 ± 0.44 | 0.003 | 3.69 ± 0.50 | 3.52 ± 0.45 | 0.072 |
* If a lesion was implanted with multiple stents, stent diameter size, stent length size, stent maximum pressure at deployment, and stent maximum diameter at deployment were derived from the parameters of the stent with the largest diameter size.