Table 2. Comparison of TR grade and NYHA symptoms between two groups.

Follow-up	MVR	MVr	P value
6 months
TR Grade 0-1	80 (87)	94 (93.1)	0.156
TR Grade 2-4	12 (13)	7 (6.9)
NYHA class I-II	78 (84.8)	96 (95)	0.017
NYHA class III-IV	14 (15.2)	5 (5)
12 months
TR Grade 0-1	78 (87)	91 (93.1)	0.266
TR Grade 2-4	14 (13)	10 (6.9)
NYHA class I-II	79 (85.9)	93 (92.1)	0.168
NYHA class III-IV	13 (14.1)	8 (7.9)
18 months
TR Grade 0-1	76 (87)	89 (93.1)	0.280
TR Grade 2-4	16 (13)	12 (6.9)
NYHA class I-II	75 (81.5)	90 (89.1)	0.136
NYHA class III-IV	17 (18.5)	11 (10.9)
24 months
TR Grade 0-1	69 (75)	88 (87.1)	0.031
TR Grade 2-4	23 (25)	13 (12.9)
NYHA class I-II	80 (87)	97 (96)	0.022
NYHA class III-IV	12 (13)	4 (4)

FTR: functional tricuspid regurgitation; MVr: mitral valve repair; MVR: mitral valve replacement; NYHA: New York Heart Association; TR: tricuspid regurgitation