Table 2: Baseline characteristics (n= 30 lesions).

HSRA
(n= 15)
LSRA+ HSRA
(n= 15)
P value

Age (yrs)73.0 ±9.673.0 ±8.90.76

Female480.14

Transradial approach1190.44

Body mass index(kg/m2)23.6±2.323.4±4.70.72

Hypertension (%)14 (93)13 (87)0.54

Dyslipidemia, n (%)10 (67)10 (67)1.00

Diabetes mellitus, n (%)7 (47)5 (33)0.12

Prior MI, n (%)3 (20)4 (27)0.46

CCS III/IV, n (%)5 (33)6 (40)0.67

LV ejection fraction (%)62.0±5.463.0±11.50.29

Multivessel disease, n (%)12 (80)9 (60)0.23

Values are n (%) or mean ±SD.
HSRA= high-speed rotational atherectomy, LSRA +HSRA= low-speed rotational atherectomy following HSRA, LV= left ventricle, CCSIII/IV= Canadian Cardiovascular Society grading III/IV of angina pectoris, MI= myocardial infarction.