Table 4.

Follow-up status at different follow-up periods.

Follow-up	1st month		6th month		12th month
	n	%	n	%	n	%
No	272	56.67	299	62.29	262	54.58
Yes	208	43.33%	181	37.70%	218	45.42%
Yes – Asymptomatic	169	81.25	151	83.43	176	80.73
Yes – Symptomatic	39	18.75	30	16.57	42	19.27
Total	480	100.00	480	100.00	480	100.00