Table 2 mJSW data per sex and decade in healthy individuals
| Â | Age Group (yrs) | N | K-L Grade 0 (%) | Mean (mm) | SD (mm) |
|---|---|---|---|---|---|
Females | 20 – 29 | 22 | 91 | 5.06 | .56 |
|  | 30 – 39 | 15 | 80 | 4.62 | .66 |
|  | 40 – 49 | 14 | 43 | 4.84 | .69 |
|  | 50 – 59 | 17 | 47 | 4.75 | .93 |
|  | 60 – 69 | 5 | 60 | 4.61 | .44 |
Males | 20 – 29 | 18 | 89 | 5.55 | .51 |
|  | 30 – 39 | 13 | 46 | 5.76 | .71 |
|  | 40 – 49 | 7 | 86 | 5.35 | 1.08 |
|  | 50 – 59 | 6 | 33 | 5.43 | .71 |
|  | 60 – 69 | 2 | 50 | 5.41 | .56 |