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Table 1 Patient demographicsa

From: Paradoxical tunnel enlargement after ACL reconstruction with hamstring autografts when using β-TCP containing interference screws for tibial aperture fixation- prospectively comparative study

 

Group A[PLLA screw](n = 28)

Group B[β-TCP screw](n = 29)

p - value

Age, y

36.1 ± 8.9

32.7 ± 12.3

0.225

Sex, male/female, n

21:7

24:5

0.473

BMI, kg/m 2

24.2 ± 2.6

24.7 ± 3.9

0.848

Femoral tunneling technique, n

TP: OI

11:17

17:12

0.144

Tunnel diameter (drill size, mm)

 AM

7.5 ± 0.6 (6.5–9.5)

7.4 ± 0.6 (6.0–9.0)

0.387

 PL

5.7 ± 0.5 (4.5–7.0)

5.7 ± 0.5 (4.5–7.0)

0.675

Tunnel length (mm)

 AM

39.6 ± 3.9 (34–50)

40.0 ± 2.9 (34–45)

0.661

 PL

43.7 ± 3.5 (35–50)

44.8 ± 3.0 (38–50)

0.228

  1. BMI body mass index, TP transportal, OI outside-in
  2. aValue are presented as mean ± standard deviation, with range in parentheses