Table 1.

Background information of patients

Patient	Age (years)	Sex	ICRS grade (Mankin score)
1	71	Female	0 (1)
2	76	Female	I (3)
3	74	Female	I (6)
4	76	Female	I (6), II (8), III (9)
5	76	Female	I (3), III (4)
6	59	Female	I (5), III (10)
7	73	Female	II (7), III (9)
8	58	Female	III (9)
9	70	Male	0 (2), I (4), III (7)
10	77	Male	I (3), II (5)
11	79	Male	I (6), III (11)

ICRS, International Cartilage Repair Society.