Table 2: Estimated coefficients for the drift-diffusion model and pure-diffusion model of cell migration away from the wound (standard deviation is given in brackets). An F-test value >5 indicates that the drift-diffusion model should be preferred to the pure-diffusion model.

DatasetDrift-diffusion modelPure-diffusion model F-test
Drift coefficientDiffusion coefficientDiffusion coefficient

(1) 0.25 (0.05)−4 (10) 27 (2)38
(2) 0.27 (0.07) 23 (15) 56 (4)28
(3)0.19 (0.05) 13 (10) 32 (3)14
(4)0.21 (0.05) 32 (11) 54 (3)14
(5) 0.35 (0.07) −8(14) 55 (4)82
(6) 0.27 (0.03) −7 (6) 31 (2)145
All data 0.26 (0.02) 8 (3)41.8 (0.10)267