Nursing outcome comparison of laparoscopy-assisted, pneumomediastinoscopy-assisted esophagectomy vs conventional thoracoscopic-assisted, three-incision esophagectomy in early esophageal cancer

Table 5 Adjusted analysis for postoperative length of stay by ordinary least squares regression

Predictors	Beta	95%CI	P value
const	16.10	11.09-21.12	< 0.001
Group	-1.49	-2.59 to -0.38	0.009
Age	-0.04	-0.10 to 0.02	0.176
Gender	-0.86	-2.20 to 0.47	0.202
ASA	0.46	-0.45 to 1.37	0.314
FEV1	-0.57	-1.88 to 0.74	0.389
COPD	-0.21	-1.48 to 1.07	0.750
Neoadjuvant	0.70	-0.43 to 1.82	0.222

ASA: American Society of Anesthesiologists; FEV: Forced expiratory volume; COPD: Chronic obstructive pulmonary disease; CI: Confidence interval.