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

Table 8 Compares the mean and SD of lesion length, width, and area at different time intervals

MRI parameters	Mean	SD	t value	P value1	Difference			95% confidence interval of the difference
					Mean	SD	SE mean	Lower	Upper
Lesion length (mm)
1 month	33.96	27.09
3 months	18.43	14.68	4.808	0.001	15.53	22.14	3.23	9.03	22.03
6 months	14.14	15.59	4.837	0.001	19.82	28.09	4.10	11.57	28.07
Lesion width (mm)
1 month	4.65	1.76
3 months	3.94	1.65	4.900	0.001	0.71	0.99	0.14	0.42	1.00
6 months	3.57	1.73	6.957	0.001	1.07	1.06	0.15	0.76	1.39
Lesion area (mm2)
1 month	110.66	83.41
3 months	80.05	32.29	2.532	0.015	30.61	82.88	12.09	6.27	54.94
6 months	73.35	37.22	2.700	0.010	37.31	94.76	13.82	9.49	65.14

¹Repeated measures ANOVA.

n = 47 at all-time points for all variables. MRI: Magnetic resonance imaging.