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. Author manuscript; available in PMC: 2010 Oct 22.
Published in final edited form as: Arch Intern Med. 1971 Jun;127(6):1129–1132. doi: 10.1001/archinte.127.6.1129

Table 3.

Cumulative Water and Sodium Balance

Patient Water (ml) Sodium (mEq) ΔH2O Δ Na Na Free ΔH2O Δ Weight (kg)
intake Output Intake Output
1 12,420 12,837 1,068 928 −417 +140 −1,417 −0.3

2 13,670 17,050 220 417 −3,380 −197 −1,980 −2.6

3 11,397 11,344 844 681 +53 +163 −1,127 +0.1

4 4,327 4,292 456 230 +35 +226 −1,595 +0.2

5 4,110 5,000 327 181 −890 +146 −1,930 −0.7

H2O indicates net gain or loss of water; Na, net gain or loss of sodium; Na free H2O, Sodium free water loss; weight, changes in body weight.