From: The effect of erythropoietin on biomechanical properties of the Achilles tendon during the healing process: an experimental study
Week 1
Week 2
Week 3
Week 4
p
Erythropoietin group
4.9 ± 2.9
10.6 ± 4.04
19.5 ± 7.8
19.9 ± 4.7
0.001
Control group
4.0 ± 2.0
8.2 ± 2.3
12.8 ± 3.5
20.2 ± 8.7
0.002
P for intergroup difference
1.000
0.329
0.167