Table 2 Surgical parameters and postoperative follow-up indexes between 3DP group and CS group

operation time, h

126.6 ± 17.6

156.0 ± 18.6

0.003

blood loss, mL

115.0 ± 16.9

135.7 ± 26.5

0.050

number of radiation exposures, times

3.3 ± 0.8

8.6 ± 1.3

< 0.001

sharp angle(°)

41.8 ± 2.3

42.6 ± 3.1

0.918

center-edge angle(°)

35.6 ± 4.2

37.1 ± 2.8

0.846

acetabular roof angle(°)

6.9 ± 1.8

9.8 ± 2.6

0.643

acetabular head index(°)

86.6 ± 4.1

84.3 ± 2.8

0.891

 positive

5

4

0.841

 negative

15

14

 positive

6

7

0.564

 negative

14

11

 excellent

10

12

0.698

 good

6

4

 general

4

2

 poor

0

0

 I

13

11

0.945

 II

4

5

 III

3

2

 IV

0

0