Table 5.

Harris scores preoperatively and at the last follow-up

Tönnis grade	Before operation	Last follow-up
Group T0	76.42 ± 4.89	91.75 ± 3.67
Group T1	72.60 ± 4.33	89.70 ± 3.86
Group T2	70.17 ± 3.31a	82.67 ± 3.08b

^aPreoperatively—T2 vs. T0, p = 0.009; ^bAt the last follow-up—T2 vs. T0, p = 0.001; T2 vs. T1, p = 0.001. All values are expressed as mean ± standard deviation. Differences are considered significant at p < 0.05