Table 4. Kruskal-Wallace test (p < 0.05) with post-hoc pairwise analysis of Smad 1/5/8 phosphorylation following BMP-2 and Dorsomorphin treatment of HPC and CTX cells.

Factor	n	Average Rank	Different (p < 0.05) from factor n
(1) CTX_1X BMP	3	4.33	(4)(5)
(2) CTX_2X BMP	3	6.33	(4)(5)
(3) CTX_2X BMP_DORS	3	5.67	(4)(5)
(4) HPC_1X BMP	3	15	(1)(2)(3)
(5) HPC_2X BMP	3	15.67	(1)(2)(3)
(6) HPC_2X BMP_DORS	3	10