Table 2.

Medical data of the patients in the follow-up time.

	Follow-up time ≤ 1 year	1 year < Follow-up time ≤ 2 years	2 years < Follow-up time ≤3 years	3 years < Follow-up time ≤4 years	4 years < Follow-up time ≤5 years	Total
Number	82	41	20	6	13	162
Pulmonary valve flow rate <3 m/s	74 (90.2%)	35 (85.4%)	17 (85%)	6 (100%)	2 (15.4%)	134 (82.7%)
Pulmonary valve flow rate 3–4 m/s	7 (8.6%)	5 (12.2%)	3 (15%)	0	9 (69.2%)	24 (14.8%)
Pulmonary valve flow rate >4 m/s	1 (1.2%)	1 (2.4%)	0	0	2 (15.4%)	4 (2.5%)
Mild pulmonary valve regurgitation	74 (90.2%)	38 (92.6%)	19 (95%)	5 (83.3%)	12 (92.3%)	148 (91.4%)
Moderate pulmonary valve regurgitation	8 (9.8%)	3 (7.4%)	1 (5%)	1 (16.7%)	1 (7.7%)	14 (8.6%)
More than moderate pulmonary valve regurgitation	0	0	0	0	0	0
Re-operation	1 (1.2%)	1 (2.4%)	0	0	1 (7.6%)	3 (1.9%)