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. 2016 Sep 20;4:e2442. doi: 10.7717/peerj.2442

Table 1. Descriptive statistics.

All Untreate Treate p-value
N = 82 N = 42 N = 40
Baseline
Gender female n (%) 53(0.65) 27(0.64) 26(0.65) 1.0a
Age year 40.6(9.6) 42.9(9.2) 38.2(9.5) 0.029b
Disease duration 7.5(7.7) 6.9(9.3) 8.1(5.5) 0.5b
EDSS 1.6(1.4) 1.1(1.2) 2.1(1.4) <0.001b
EDSS median (range) 2 (0–6) 1 (0–5) 2 (0–6) <0.001c
Difference between two MRI month 7.5(2.1) 7.8(2.2) 7.1(1.9) 0.1b
T2-lesions n 61(46.6) 50.6(35.9) 71.9(54) 0.040b
T1-lesions n 5.9(7.8) 3.2(5.1) 8.8(9.2) 0.001b
GD-lesions n 0.2(0.4) 0.2(0.5) 0.1(0.3) 0.036b
Delta T2-lesions n/year 3(5.7) 3.9(6) 2(5.4) 0.1b
Delta T1-lesions n/year 0.8(1.5) 0.8(1.5) 0.8(1.5) 1.0b
NBV mm3 1,673,305(199,072) 1,538,369(85,524) 1,81,4987(185,529) <0.001b
NWM mm3 740,634(71,743) 737,318(45,178) 744,115(92,304) 0.7b
NGM mm3 932,671(179,778) 801,051(53,533) 1,070,872(160,836) <0.001b
Change NBV %/year −0.06(0.66) −0.035(0.52) −0.09(0.78) 0.7b
Change NWM %/year 0.15(0.57) 0.021 (0.504) 0.29(0.60) <0.031b
Change NGM %/year 0.02(0.75) 0.006 (0.883) 0.03(0.60) 0.9b
aPBVC 0.14(1.13) 0.03(0.88) 0.25(1.34) 0.4b
Follow-Up
Days of Follow-Up 1,084(245) 1,178(262) 985(181) <0.001b
EDSS 1.93(1.27) 1.48(1.07) 2.41(1.29) 0.001b
Delta EDSS 0.32(0.97) 0.37(0.92) 0.26(1.03) 0.6b
EDSS better n(%) 7 (9) 3 (7) 4 (10) 1.0a
EDSS stable n(%) 55(67) 28 (67) 27 (68) 1.0a
EDSS worse n(%) 20 (24) 11 (26) 9 (23) 1.0a
Treatment n(%) 0.2a
De-escalation 10(12) Not applicable 10(25)
No change 59(72) 35(83) 24(60)
Escalation 13(16) 7(17) 6(15)

Notes.

Data presented as mean (sd) if not indicated otherwise.

TITLE

Delta
absolute differences
Change
relative difference per month
EDSS
Expanded Disability Status Scale
T2-Lesion
hyperintense on T2 weighted images
T1-Lesion
hypointense on T1 weighted images
GD-lesions
Contrast enhancing lesions
NBV
normalized brain volume
NGV
normalized grey matter volume
NWM
normalized white matter volume

Volumes only from SIENAX.

a

Differences between treated and untreated patients were tested with Chi-square test.

b

t-tests.

c

Mann–Whitney-U-test for ordinal data.