Database

Power-law

Database A (n = 30)

y = 0.3293x^0.846

Database B (n = 50)

y = 0.7837x^0.764

Database B_adjusted (n = 49)

y = 1.0386x^0.764

Average of the three databases

y = 0.7172 ± 0.3214x^0.791±0.055