Bone marrow mesenchymal stem cell-derived exosomal lactate dehydrogenase A promotes tendon-bone healing via histone lactylation-mediated cartilage regeneration

Table 2 Experimental replication and statistical power

Assay	Sample size (n)	Independent repeats	Power analysis (α = 0.05, β = 0.2)
In vivo ACLR model	12/group	3	Effect size = 1.8, power = 0.85
CCK-8	6 wells/group	5	Effect size = 1.5, power = 0.91
qPCR	3 replicates	5	Effect size = 1.2, power = 0.88
WB	3 replicates	5	Effect size = 1.3, power = 0.89

Power analysis was performed using G*Power 3.1. ACLR: Anterior cruciate ligament reconstruction; CCK-8: Cell counting kit 8; qPCR: Quantitative polymerase chain reaction; WB: Western blotting.