Treatment comparison
Compare evidence side by side
Query-string selection supports two or three methods. Current view compares structured evidence summaries where available, then falls back to paper volume.
Efficacy comparison
Weighted by sample size and confidence when structured metrics exist.
device
Low-Level Laser Therapy
surgical
Hair Transplant
supplement
Biotin
Evidence grade
B
B
B
Paper count
29
21
7
Participants
5,290
146
224
RCTs
0
1
2
Average efficacy
13.12 hairs/cm²
89 %
23 %
Confidence
moderate
moderate
moderate