Table 2.

Injured sciatic nerves T2 and IVIM parameters in EA, EA + BMSCs, BMSCs and PBS (mean ± SD).

MRI	Time points (weeks)	EA	EA + BMSCs	BMSCs	PBS	p < 0.05
T2	0	49.10 ± 4.61	49.63 ± 4.74	49.75 ± 3.92	48.23 ± 2.35	–
	1	94.24 ± 4.01	93.79 ± 3.23	102.34 ± 6.32	103.05 ± 5.60	bcde
	2	75.33 ± 2.84	76.90 ± 3.30	85.60 ± 6.24	85.13 ± 3.94	bcde
	3	54.56 ± 3.13	53.61 ± 3.42	58.85 ± 3.65	67.04 ± 3.50	cdef
	4	49.11 ± 4.49	49.41 ± 3.73	51.20 ± 4.24	60.68 ± 3.50	cef
f	0	0.0454 ± 0.0027	0.0460 ± 0.0035	0.0455 ± 0.0038	0.0455 ± 0.0044	–
	1	0.0164 ± 0.0017	0.0167 ± 0.0020	0.0156 ± 0.0018	0.0072 ± 0.0024	cef
	2	0.0296 ± 0.0065	0.0258 ± 0.0027	0.0216 ± 0.0073	0.0127 ± 0.0023	bcef
	3	0.0264 ± 0.0046	0.0236 ± 0.0026	0.0213 ± 0.0031	0.0148 ± 0.0021	bcef
	4	0.0374 ± 0.0047	0.0349 ± 0.0021	0.0316 ± 0.0037	0.0225 ± 0.0035	bcef
D	0	0.0014 ± 0.0002	0.0012 ± 0.0001	0.0013 ± 0.0001	0.0012 ± 0.0001	–
	1	0.0014 ± 0.0002	0.0014 ± 0.0005	0.0013 ± 0.0001	0.0016 ± 0.0005	–
	2	0.0016 ± 0.0005	0.0013 ± 0.0002	0.0012 ± 0.0001	0.0013 ± 0.0001	–
	3	0.0013 ± 0.0003	0.0012 ± 0.0002	0.0013 ± 0.0003	0.0014 ± 0.0004	–
	4	0.0013 ± 0.0001	0.0011 ± 0.0001	0.0011 ± 0.0001	0.0011 ± 0.0001	–
D*	0	0.0550 ± 0.0590	0.0748 ± 0.0613	0.0396 ± 0.0448	0.0284 ± 0.0154	–
	1	0.0310 ± 0.0477	0.0148 ± 0.0027	0.0135 ± 0.0030	0.0101 ± 0.0015	–
	2	0.0142 ± 0.0022	0.0438 ± 0.0442	0.0494 ± 0.0612	0.0299 ± 0.0480	–
	3	0.0720 ± 0.0646	0.0340 ± 0.0464	0.0321 ± 0.0471	0.0368 ± 0.0455	–
	4	0.0250 ± 0.0119	0.0399 ± 0.0449	0.0721 ± 0.0636	0.0451 ± 0.0439	–

EA, electroacupuncture; BMSCs, bone mesenchymal stem cells; PBS, phosphate-buffered saline; SD, standard deviation; p ≤ 0.05, post-hoc analysis with Bonferroni correction; f, perfusion fraction; D, diffusion coefficient; D*, pseudo-diffusion coefficient. p < 0.05 and statistically significant difference between groups: b, EA vs. BMSCs; c, EA vs. PBS; d, EA + BMSCs vs. BMSCs; e, EA + BMSCs vs. PBS; f, BMSCs vs. PBS.