Postoperative urinary dysfunction following lateral lymph node dissection for rectal cancer via minimally invasive surgery

Table 3 Comparison of patient characteristics between LA and RALS

Factor	LS n = 63	RALS n = 37	p value
Age (years old)	63 (43–80)	63 (26–83)	0.86
Sex (male/female)	43/20	29/8	0.28
BMI (kg/m²)	22.5 (18.1–33.1)	22.5 (17.1–31.9)	0.87
Comorbidities (yes/no)	29/29	19/11	0.23
・BPH (yes/no)*	5/36*	2/21*	1.00*
・Prostate-related comorbidities (yes/no)**	6/35*	3/20*	1.00*
Previous abdominal surgery (yes/no)	20/37	5/19	0.29
ASA (1/2/3)	21/40/0	2/34/0	< 0.01
Preoperative treatment (TNT/NACRT/NAC/none)	0/13/26/24	3/5/19/10	0.045
・Preoperative RT (yes/no)	13/50	8/29	0.91
Tumor location (Ra/Rb)	11/52	9/28	0.69
Distance from AV to tumor (cm)	4 (0–10)	6.5 (2–11)	< 0.01
(y)pStage (0(pCR)/I/II/IIIA/IIIB/IV)	14/46	3/23	0.25

*Only males
**Prostate-related comorbidities involve BPH and prostate cancer after treatment
Abbreviations: BMI: body mass index; BPH: benign prostatic hyperplasia; ASA: American Society of Anesthesiologists Physical Status; TNT: total neoadjuvant therapy; NACRT: neoadjuvant chemoradiotherapy; NAC: neoadjuvant chemotherapy; RT: radiotherapy; Ra: upper rectum; Rb: lower rectum; AV: anal verge; (y)pStage: (post preoperative therapy) pathological stage; pCR: pathological complete response

ISSN: 1471-2482