Marieke van Rosmalen

Chapter 6 100 Table 6.3 Quantitative MRI parameters per study group and per nerve root. Nerve root CIDP MMN MND Healthy FA All 0.27 (0.05) 0.30 (0.06) 0.28 (0.04) 0.30 (0.05) C5 0.26 (0.05) 0.29 (0.05) 0.27 (0.04) 0.29 (0.04) C6 0.27 (0.05) 0.29 (0.06) 0.28 (0.04) 0.31 (0.05) C7 0.27 (0.05) 0.30 (0.06) 0.28 (0.05) 0.28 (0.05) MD (x 10 -3 mm 2 /s) All 1.40 (0.20) 1.35 (0.23) 1.35 (0.20) 1.34 (0.17) C5 1.41 (0.21) 1.35 (0.22) 1.35 (0.19) 1.30 (0.21) C6 1.39 (0.17) 1.35 (0.24) 1.32 (0.16) 1.33 (0.13) C7 1.41 (0.23) 1.35 (0.22) 1.36 (0.23) 1.39 (0.16) AD (x 10 -3 mm 2 /s) All 1.81 (0.24) 1.79 (0.30) 1.77 (0.28) 1.78 (0.20) C5 1.81 (0.27) 1.79 (0.30) 1.77 (0.31) 1.72 (0.24) C6 1.80 (0.19) 1.78 (0.31) 1.74 (0.21) 1.80 (0.15) C7 1.82 (0.27) 1.79 (0.29) 1.80 (0.32) 1.82 (0.19) RD (x 10 -3 mm 2 /s) All 1.20 (0.19) 1.13 (0.20) 1.14 (0.16) 1.12 (0.17) C5 1.20 (0.19) 1.13 (0.20) 1.14 (0.15) 1.08 (0.19) C6 1.19 (0.17) 1.13 (0.22) 1.11 (0.15) 1.10 (0.14) C7 1.21 (0.21) 1.12 (0.20) 1.15 (0.19) 1.17 (0.16) T2 relaxation time (ms ) All 42.37 (5.36) 41.12 (5.18) 41.02 (4.81) 41.32 (6.72) C5 41.97 (5.29) 40.54 (5.43) 40.47 (4.59) 41.00 (8.81) C6 42.85 (4.65) 41.86 (5.35) 41.78 (4.63) 42.06 (5.10) C7 42.27 (6.14) 40.90 (4.75) 40.75 (5.16) 40.90 (6.15) Fat fraction (%) All 40.09 (9.61) 39.44 (9.07) 43.62 (9.74) 40.55 (10.33) C5 38.51 (8.39) 37.23 (8.29) 42.56 (8.46) 38.16 (10.68) C6 38.54 (8.97) 37.55 (8.75) 42.09 (9.02) 39.62 (9.52) C7 43.53 (10.71) 43.37 (8.90) 46.35 (11.16) 43.87 (10.62) Mean diffusion parameters, T2 relaxation time and fat fraction with standard deviation per study group and per nerve root with calculated p values. p value 1 = CIDP vs. MND; p value 2 = MMN vs. MND; p value 3 = CIDP vs. MMN; p value 4 = healthy controls vs. CIDP; p value 5 = healthy controls vs. MMN; p value 6 = healthy controls vs. MND . Significant differences are marked with an asterisk (*).