Table 1: In-vitro experiment.

HSRA (n= 5)LSRA (n= 5)P value

Pecking motion times72.2 ±10.8133.6 ±20.4 0.0001

Procedural time (sec)55.2 ±14.289.4 ±13.9 0.01

Values are mean ±SD.
HSRA= high-speed rotational atherectomy and LSRA= low-speed rotational atherectomy.