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. 2008 Apr 28;8:5. doi: 10.1186/1471-227X-8-5

Figure 3.

Figure 3

Receiver Operator Characteristics curves for the two equations when used to identify patients with serum concentrations of ethylene glycol and methanol that exceed the threshold at which hemodialysis is recommended

- - - - osmole gap derived using equation 1 (ethanol coefficient of 1)

----- osmole gap derived using equation 2 (ethanol coefficient of 1.25).

The points delineated by ● and ■ indicate an osmole gap cut-off of 10 derived using equations 1 and 2, respectively. The points delineated by ○ and □ indicate an osmole gap cut-off of 20 derived using equations 1 and 2, respectively.