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Table 2 Comparison of clinical data between two groups of adolescents

From: Efficacy evaluation of three-dimensional printing assisted osteotomy guide plate in accurate osteotomy of adolescent cubitus varus deformity

Clinical data

Conventional group (n = 11)

3D printing group (n = 14)

P value

Operation time, min

73.5 ± 10.3

48.3 ± 8.9

< 0.001

Intraoperative blood loss, ml

52.1 ± 11.5

35.6 ± 9.7

< 0.001

Osteotomy degrees, °

24.9 ± 6.6

25.7 ± 7.1

0.183

Osteotomy ends union time, week

9.8 ± 2.7

9.3 ± 2.1

0.417

Deformity correction, n (%)

 Excellent

8 (72.7)

12 (85.8)

0.019

 Good

2 (18.2)

1 (7.1)

0.193a

 Fair

1 (9.1)

1 (7.1)

0.231a

 Poor

0

0

Rate of excellent deformity correction, %

72.7

85.8

0.019

  1. aP value for continuity-corrected chi-squared test