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. Author manuscript; available in PMC: 2016 Dec 14.
Published in final edited form as: Mult Scler. 2016 Aug 19;22(11):1438–1443. doi: 10.1177/1352458516663854

Table 2.

Fatigue scales by hydration status.

High hydration (HiH)
(USG < 1.015)
Low hydration (LoH)
(USG ≥ 1.015)
p value
Fatigue Performance
Scale, count (%)
0 (none) 5 (27.78) 0 (0.00) 0.022
1 (minimal) 1 (5.56) 7 (22.58)
2 (mild) 5 (27.78) 6 (19.35)
3 (moderate) 3 (16.67) 8 (25.81)
4 (severe) 4 (22.22) 7 (22.58)
5 (totally) 0 (0.00) 3 (9.68)
Fatigue outcome
measures, mean ± SD
FSS total 22.5 ± 12.1 29.5 ± 9.7 0.029
MFIS total 35.2 ± 22.4 41.2 ± 17.4 0.30
MFIS physical 17.0 ± 10.7 20.1 ± 8.6 0.27
MFIS cognitive 15.1 ± 10.3 17.9 ± 9.3 0.32
MFIS psychosocial  3.1 ± 2.1  3.2 ± 2.1 0.86

USG: urine specific gravity; FSS: Fatigue Severity Scale; MFIS: Modified Fatigue Impact Scale; SD: standard deviation.

Bold indicates statistically significant values.