Multiroute administration of Wharton’s jelly mesenchymal stem cells in chronic complete spinal cord injury: A phase I safety and feasibility study

Table 7 Results of the Friedman test for changes in the Modified Ashworth scale (left values) before and after intervention

	n	Mean	SD	Mean rank	χ2	df	P value
Preoperative	6	7.83	2.40	5.75
Postoperative week 1	6	7.17	2.64	5.25
Postoperative month 1	6	5.50	2.43	3.92	29.030	5	0.000
Postoperative month 2	6	4.17	2.64	2.92
Postoperative month 6	6	3.00	2.28	1.92
Postoperative month 12	6	2.17	1.84	1.25

SD: Standard deviation.