Table 1. Baseline clinical and demographic patient characteristics .

Characteristic	Mean±SD / n (%)
Age (years)	35.8±9
Sex
Women	38 (73%)
Men	14 (27%)
NYHA Functional class
NYHA class II	21 (39%)
NYHA class III	31 (61%)
CVA history	2 (4%)
History of previous PBMV	6 (11%)
History of previous CMV	2 (4%)
Wilkins score	6.5±1.2

Abbreviations: SD, standard deviation; NYHA, New York Heart Association; CVA, cerebrovascular accident; PBMV, percutaneous balloon mitral valvuloplasty; CMV, closed mitral valvotomy