Table 3.

Values of α obtained from a linear regression analysis to a log–log plot according to a power function model for cell growth as a function of time in the region of maximum growth. Values of α that correspond to the total time scale studied are indicated in parenthesis.

Sample	$\ln [N(t=0)\pm {\sigma }_N$	$\alpha \pm {\sigma }_{\alpha }$
Carcinoma treated	4.8 ± 0.6 (4.6 ± 0.3)	−0.06 ± 0.08 (−0.09 ± 0.1)
Carcinoma untreated	2.694 ± 0.002 (2.8 ± 0.1)	0.4808 ± 0.000 (0.45 ± 0.03)
Fibroblast treated	3.4 ± 0.2 (2.6 ± 0.8)	0.22 ± 0.07 (0.4 ± 0.2)
Fibroblast untreated	2.4 ± 0.4 (2.4 ± 0.3)	0.6 ± 0.1 (0.49 ± 0.09)