Application of Vagus Nerve Branch Preservation in Thoracoscopic Surgery for Early-Stage Lung Cancer

Figure 5

Estimated marginal mean heart rate difference compared to basal heart rate between the experimental and control groups. Definition of abbreviations: bpm: beats per minute; PACU: postanesthesia care unit; D 1: Day 1 after surgery; D 2: Day 2 after surgery; 2 D ptd: 2 days prior to discharge; 1 D ptd: 1 day prior to discharge.