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Graph of VNS adjustment vs. SDB in 3 patients. The graph shows dose-dependent effects of VNS current (mA) on SDB as shown on Table 2. On the horizontal axis VNS settings are listed in mA, and on the vertical axis, SDB is quantified by the AHI (#/hr). Note the VNS-induced SDB decreased and disappeared when VNS was adjusted from initial settings to 0 mAs in 3 subjects.
