Table 2.
Patient Demographics and Baseline Characteristics of a Subgroup of Patients Aged 51 Years or Younger Treated for Defects with a Total size <500 mm2 (n = 134).
| Microfracture (n = 61) | Mosaicplasty (n = 73) | P | |
|---|---|---|---|
| Male/female | 34/27 | 43/30 | 0.71 (n.s.) |
| Age at surgery, years | 33 (9) | 34 (8) | 0.72 (n.s.) |
| Duration, months | 69 (64) | 82 (74) | 0.41 (n.s.) |
| No. of previous surgeries | 1.7 (1.5) | 1.9 (1.5) | 0.41 (n.s.) |
| Right/left knee, n | 40/21 | 48/25 | 0.12 (n.s.) |
| Treated area, mm2 | 310 (100) | 280 (99) | 0.10 (n.s.) |
| Patellofemoral joint, % | 23 | 30 | 0.35 (n.s.) |
| Baseline Lysholm score | 48 (19) | 47 (15) | 0.84 (n.s.) |
n.
s. = not significant.
a
Values are presented as mean (SD) unless otherwise indicated.