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. 2018 Apr 2;2018:7343592. doi: 10.1155/2018/7343592

Table 4.

Results of photoplethysmography.

Domains Control group MDD group p value
Mean ± SEM Mean ± SEM
Mean PP (mmHg) 33.31 ± 1.40 48.92 ± 0.78c <0.0001
SDPP (mmHg) 2.40 ± 0.41 8.31 ± 0.88c <0.0001

Note. Photoplethysmography showed mean PP and SDPP were significantly higher in MDD participants than control; chigh significant difference between the control and MDD group (p < 0.0001); PPG: photoplethysmography; mean PP: mean of pulse pressure; SDPP: standard deviation of pulse pressure; mmHg: millimeters of mercury.