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

Table 2

Perioperative heart rate changes between experimental and control groups.

Heart rates (bpm, median (IQR))	Experimental (n =22)	Control (n =31)
Basal heart rate	77.0 (70.3-80.0)	69.5 (58.5-75.0)
Out of PACU	72.0 (68.3-77.8)	72.0 (66.3-84.0)
D 1	77.5 (72.3-83.0)	79.5 (73.0-86.5)
D 2	80.5 (72.0-88.50)	79.5 (71.0-84.8)
2 D ptd	83.5 (72.3-90.0)	78.5 (74.3-87.0)
1 D ptd	88.0 (73.8-94.0)	80.0 (75.3-87.5)

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.