Table 4.

Patient evolution according to scales used for evaluation.

	Summary of clinical evaluation
	Year 1		Year 10
Patients	Lysholm	HSS	Lysholm	HSS
1	100	98	100	98
2	100	96	100	96
3	100	98	100	98
4	100	96	100	96
5	95	96	94	90
6	95	93	91	93
7	100	92	95	92
8	99	98	99	98
9	99	93	95	87
10	91	78	86	87
11	100	98	100	98
12	100	100	100	100
13	99	97	95	97
14	100	98	100	98
15	100	98	100	98
16	100	98	100	98
17	100	95	100	95
Mean	98.71	95.41	97.35	95.24
Standard deviation	2.57	4.99	4.11	4.02
Variance	6.48	24.87	16.40	16.19

Source: Belo Horizonte Center for Orthopedics and Traumatology.