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

Table 5 Results of the Friedman test for changes in Functional Independence Measure Motor score values before and after intervention

	n	Mean	SD	Mean rank	χ2	df	P value
Preoperative	6	42.50	2.26	1.50
Postoperative week 1	6	43.00	1.90	1.67
Postoperative month 1	6	45.67	1.97	2.83	29.505	5	0.000
Postoperative month 2	6	48.00	1.90	4.00
Postoperative month 6	6	50.50	2.17	5.00
Postoperative month 12	6	56.17	2.99	6.00

SD: Standard deviation.