Phase I study on the safety and preliminary efficacy of allogeneic mesenchymal stem cells in hypoxic-ischemic encephalopathy

Table 5 Friedman test results regarding the change in the functional independence measure motor scores of the patients before and after the operation

	n	Mean	SD	Mean rank	χ2	df	P value
Pre-test	8	13.00	0.00	2.69	24.583	5	0.000
Post-test 1 wk	8	13.00	0.00	2.69
Post-test 1 mo	8	13.38	1.06	2.88
Post-test 2 mo	8	14.00	2.45	3.25
Post-test 4 mo	8	16.25	7.23	4.19
Post-test 12 mo	8	17.63	9.10	5.31