Table 2. Preoperative characteristics for isolated septal myectomy cohort.

Patient preoperative variable	Value (cohort n=150)
Median age (years)	52 [42–61]
Sex (male)	93 (62%)
Median age for females (years)	55 [40–63]
Median age for males (years)	51 [44–58]
BSA	2.04 (1.85–2.2)
NYHA class (III-IV)	98 (65%)
CCS class (III-IV)	87 (58%)
Syncope	40 (27%)
Basal septal thickness ≤1.7 cm	36 (24%)
Concomitant atrial fibrillation procedure	9 (6%)

BSA, body surface area; NYHA, New York Heart Association; CCS, Canadian Cardiovascular Society.