From: Grape seed extract supplement increases bone callus formation and mechanical strength: an animal study
10
20
30
χ²
p
Lane-Sandhu score
4.5 (1–6)
5.0 (4–7)
8.0 (4–9)a
12.857
0.002
Callus volume (cm3)
0.044 (0.004–0.078)
0.062 (0.03–0.15)
0.105 (0.05–0.28)b
10.184
0.006