Table 3.

Univariable and multivariable analysis for hemorrhage in all patients

	Univariable			Multivariable
	RR	95%CI	p-value	RR	95%CI	p-value
LPD vs. OPD	4.206	1.083–16.336	0.038	2.477	0.534–11.494	0.247
Gender	3.203	0.919–11.161	0.068
Age	0.967	0.910–1.029	0.293
BMI	1.062	0.873–1.292	0.546
Operation time	1.391	1.059–1.827	0.018	2.384	0.046–122.782	0.666
Duration of anesthesia	1.389	1.057–1.825	0.018	0.538	0.010–28.331	0.759
Intraoperative hemorrhage	1.001	0.998–1.004	0.403
ASA grade	2.215	0.755–6.492	0.147
Stage	0.508	0.099–2.661	0.417

RR relative risk, CI confidence interval