Table 4 Comparison of CT imaging parameters before and after operation

13.3 ± 1.6

13.5 ± 1.4

1.575

0.5215

15.4 ± 1.3^*

15.3 ± 1.2^*

0.7875

0.9661

156.5 ± 28.9

153.9 ± 33.4

0.9018

0.9359

314.4 ± 32.5^*

309.3 ± 30.7^*

1.769

0.3826

92.6 ± 16.7

96.4 ± 18.4

2.009

0.2403

234.5 ± 23.6^*

230.9 ± 22.9^*

1.904

0.298

127.8 ± 32.3

133.2 ± 31.4

1.816

0.3517

218.3 ± 34.2^*

221.4 ± 31.6^*

1.042

0.8798

14.8 ± 3.6

15.6 ± 4.1

1.749

0.3961

32.7 ± 5.7^*

33.6 ± 6.1^*

1.968

0.2622