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. 2021 Aug 20;10:e66. doi: 10.1017/jns.2021.54

Table 5.

Relative hydration index with lower cut-off values across seven percentile groups displaying Uvol, Usg, Ucol and TFI from Somaliland women compared with identical hydration indices (Ref.) from Armstrong et al.(4)

Lower cut-off for hydration groups
Hydration categories Uosm Uvol (litres) Usg Ucol TFI (litres)
Group Percentile Ref. Ref. Ref. S. land Ref. S. land Ref. S. land Ref. S. land
7 91–100 320 2⋅07 2⋅22 <1⋅008 1⋅007 <3 <2⋅1 2⋅80 2⋅83
6 76–90 Hyperhydration 382 1⋅83 1⋅67 1⋅008 1⋅009 3 2⋅6 2⋅47 2⋅42
5 61–75 548 1⋅24 1⋅30 1⋅012 1⋅010 4 3⋅3 1⋅83 2⋅09
4 40–60 Euhydration 705 0⋅95 1⋅05 1⋅016 1⋅012 5 3⋅9 1⋅30 1⋅88
3 25–39 809 0⋅83 0⋅84 1⋅021 1⋅014 5 4⋅6 1⋅15 1⋅68
2 10–24 Hypohydration 863 0⋅53 0⋅59 1⋅024 1⋅018 6 5⋅0 0⋅95 1⋅35
1 0–9 >863 <0⋅53 <0⋅59 1⋅026 >1⋅018 >6 >5⋅0 <0⋅95 <1⋅35