Procedural data
| Variable | Mean (±SD) number (%) | Variable | Mean (±SD) number (%) |
| Size of laser catheter (mm) | Fluence | ||
| 0.9 | 41 (82 %) | 80 | 16 (32%) |
| 1.4 | 3 (6%) | 40–80 | 13 (26%) |
| Unknown | 6 (12%) | Unknown | 21 (42%) |
| Frequency (Hz) | Adjunctive rotational atherectomy | 11 (22%) | |
| 80 | 18 (36%) | Size of burr | |
| 40–80 | 12 (24%) | 1.25 mm | 4 (8%) |
| Unknown | 20 (40%) | 1.5–2 mm | 5 (10%) |
| Number of pulses | 9000 (±3929) | >2 mm | 2 (4%) |
Hz, Hertz; mm, Millimeter.