| Variant 1 (54 knees) | Variant 2 (59 knees) | ||
Number (%) | Average (Range) | Number (%) | Average (Range) | |
Extension lag after 6 Months | 22 (40.7) | 38˚ (25˚ - 46˚) | 21 (35.6%) | 36˚ (27˚ - 41˚) |
Extension lag after 1 year | 18 (33.3) | 28˚ (21˚ - 37˚) | 17 (20.8) | 26˚ (20˚ - 32˚) |
Extension lag after 2 year | 14 (25.9) | 23˚ (18˚ - 35˚) | 6 (10.2) | 15˚ (12˚ - 18˚) |
Extension lag after 3 year | 9 (16.7) | 21˚ (14˚ - 35˚) | 3 (5.1%) | 10˚ (12˚ - 15˚) |
Extension lag end fellow-up | 4 (7.8) | 19˚ (14˚ - 34˚) | 2 (3.4) | 9˚ (8˚ - 10˚) |