Correlation of magnetic resonance imaging biomarkers (tissue bridges) with neurological recovery following traumatic spinal cord injury

Table 4 Comparison motor index score and sensory index score at the 1-month, 3-month and 6-month intervals

MIS		Mean	SD	t value	P value1	Difference			95% confidence interval of the difference
						Mean	SD	SE mean	Lower	Upper
MIS upper limb (month)	1	44.32	6.29
	3	44.85	6.31	-5.080	0.001	-0.53	0.72	0.10	-0.74	-0.32
	6	45.68	5.75	-6.643	0.001	-1.36	1.41	0.20	-1.77	-0.95
MIS lower limb	1	31.21	14.57
	3	34.57	13.74	-5.601	0.001	-3.36	4.11	0.60	-4.57	-2.15
	6	38.23	13.63	-6.466	0.001	-7.02	7.44	1.09	-9.21	-4.84
Total (MIS)	1	75.53	14.99
	3	79.43	15.13	-6.699	0.001	-3.89	3.98	0.58	-5.06	-2.72
	6	83.91	15.54	-8.358	0.001	-8.38	6.88	1.00	-10.40	-6.36
SIS light touch (R + L)	1	92.60	17.41
	3	94.74	17.24	-12.121	0.001	-2.15	1.22	0.18	-2.51	-1.79
	6	99.85	17.88	-11.647	0.001	-7.26	4.27	0.62	-8.51	-6.00
SIS pin prick (R + L)	1	93.55	17.32
	3	96.21	17.35	-8.109	0.001	-2.66	2.25	0.33	-3.32	-2.00
	6	101.13	17.58	-11.678	0.001	-7.57	4.45	0.65	-8.88	-6.27
Total SIS	1	186.15	34.50
	3	190.96	34.30	-12.632	0.001	-4.81	2.61	0.38	-5.57	-4.04
	6	200.98	35.16	-14.144	0.001	-14.83	7.19	1.05	-16.94	-12.72

¹Repeated measures ANOVA.

n = 47 at all-time points for all variables. MIS: Motor index score; SIS: Sensory index score; R: Right; L: Left.