Normal group–normal patellar position | Abnormal group–high vertical patellar position | |
---|---|---|
Johnson’s method | 77 joints of mean value of PLLj/PL of 1.64 | 38 joints of mean PLLj/PL value of 1.93 |
Mostafa’s method | 82 joints, mean PLLm/PL value of 1.93 | 33 joints, mean PLLm/PL value of 2.24 |
Obtained PLL/PL reference ranges with 95% CI | ||
---|---|---|
Johnson’s method | 1.46–1.79 | 1.72–2.1 |
Mostafa’s method | 1.72–2.13 | 2.02–2.45 |