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Table 1 Patient demographic and clinical characteristics

From: 3D printed templates improve the accuracy and safety of pedicle screw placement in the treatment of pediatric congenital scoliosis

 

Template-assisted group (n = 34)

Freehand group (n = 33)

All (N = 67)

P

Age, years

4.06 ± 2.28

4.21 ± 3.04

4.13 ± 2.66

0.816

Sex

   

0.548

 Male

23 (67.65)

20 (60.61)

43 (64.18)

 

 Female

11 (32.35)

13 (39.39)

24 (35.82)

 

Scoliosis type

   

0.206

 Defect of formation

12 (35.29)

18 (54.55)

34 (50.75)

 

 Defect of segmentation

2 (5.88)

2 (6.06)

4 (5.97)

 

 Mixed

20 (58.82)

13 (39.39)

33 (49.25)

 

Combined malformation

   

0.323

 No

22 (64.71)

25 (75.76)

47 (70.15)

 

 Yes

12 (35.29)

8 (24.24)

20 (29.85)

 

Malformation type

   

0.067

 Single

13 (38.24)

20 (60.61%)

33 (49.25)

 

 Multiple

21 (61.76

13 (39.39)

34 (50.75)

 

Scoliosis side

   

0.216

 Left

18 (52.94)

18 (54.55)

36 (53.73)

 

 Right

16 (47.06)

13 (39.39)

29 (43.28)

 

 Kyphosis

0

2 (6.06)

2 (2.99)

 
  1. Data are presented as mean ± standard deviation, or count (percentage)