Table 9.

Events on follow-up (Cox regression analysis).

Event	Group comparison	B	S.E.	p
Redo balloon mitral valvotomy	Good result vs. fair result	−0.709	0.381	0.063
	Poor result vs. fair result	0.527	0.590	0.371
	Good result vs. poor result	−1.237	0.546	0.023
Mitral valve replacement	Good result vs. fair result	−0.843	0.479	0.078
	Poor result vs. fair result	−0.429	0.491	0.382
	Good result vs. poor result	−1.272	0.353	<0.001