Tab 4 Postoperative KPS scores in both groups \(\left(\overline x\underline+s\right)\)
groups | n | preoperative | 3 months after surgery | 6 months after surgery | 12 months after surgery |
|---|---|---|---|---|---|
Combine group | 25 | 73.20±6.90 | 76.40±5.69 | 84.00±5.00 | 86.00±5.00 |
single group | 30 | 72.67±6.91 | 76.00±4.98 | 78.67±5.71 | 85.33±5.71 |
Statistic | t=0.285 P =0.777 | t=0.278 P =0.782 | t=3.646 P =0.001 | t=0.456 P =0.650 |