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. 2017 Sep 5;46(2):792–801. doi: 10.1177/0300060517726442

Figure 1.

Figure 1.

Spectral analysis of heart rate variability (HRV) before and after a test meal in patients with functional dyspepsia (FD) with or without delayed proximal gastric emptying (GE). (a) *The ratio of the low-frequency component (LF) to high-frequency component (HF) (i.e., LF/HF ratio) was significantly higher in patients with delayed proximal GE than in those with normal proximl GE after a meal (P < 0.01). The LF/HF ratio was significantly higher in those with delayed proximal GE after a meal than before a meal (P < 0.05). (b) *The power of the HF was significantly lower in the delayed proximal GE group than in the normal group after a meal (P < 0.01). The power of the HF was significantly lower in the delayed proximal GE group after a meal than before a meal (P < 0.05).