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. 2018 Dec 19;5:52. doi: 10.1186/s40634-018-0169-x

Table 2.

Background data of the population (n = 22)

Age y/o
 Mean 44.7
 Standard deviation 11.4
Gender
 M 14 (64%)
 F 8 (36%)
BMI
 Mean 25.9
 SD 3.3
Sport
 Professionals 1 (4%)
 Amateurs 9 (41%)
 Occasional 5 (23%)
 Inactive 7 (32%)
Grade chondropathy (ICRS classification)
 II 7 (32%)
 III 6 (27%)
 IV 9 (41%)
Type chondropathy
 FC 17 (77%)
 TP 14 (64%)
 PF 14 (64%)
 Three-compartment 9 (41%)
Associated surgery
 Yes 18 (82%)
 No 4 (18%)

FC femoral condyle, TP tibial plateau, PF patellofemoral