Evaluation of surgical strategy for low anterior resection syndrome using preoperative low anterior resection syndrome score in China

Table 1 Group characteristics according to the preoperative low anterior resection syndrome prediction model categories

Parameters	All	No LARS, %	Minor LARS, %	Major LARS, %	P
					No vs minor	No vs major	Minor vs major
Patients	186	26 (13.98)	109 (58.6)	51 (27.42)
Age in years	59.35 ± 10.28	69.85 ± 8.03	60.51 ± 8.84	52.47 ± 9.14	< 0.001	< 0.001	< 0.001
Sex					0.029	0.026	< 0.001
Male	129 (69.35)	23 (12.37)	73 (39.25)	33 (17.74)
Female	57 (30.65)	3 (1.61)	36 (19.35)	18 (9.68)
TME/PME					< 0.001	< 0.001	< 0.001
TME	82 (44.09)	0 (0)	34 (18.28)	48 (25.81)
PME	104 (55.91)	26 (13.98)	75 (40.32)	3 (1.61)
Tumor height in cm	9.08 ± 3.32	13.69 ± 2.02	9.44 ± 2.60	6.08 ± 1.87	< 0.001	< 0.001	< 0.001
Stoma	86 (46.24)	3 (1.61)	37 (19.89)	46 (24.73)	0.024	< 0.001	< 0.001
Preoperative radiotherapy	51 (27.42)	0 (0)	17 (9.14)	34 (18.28)	0.043	< 0.001	< 0.001

Data are n (%) or mean standard deviation. TME/PME: Total mesorectal excision/partial mesorectal excision; LARS: Low anterior resection syndrome.