Assessing the role of anastomotic level in low anterior resection (LAR) surgery among rectal cancer patients in the development of LAR syndrome: a systematic review study

Table 1 Summary of the studies

ID	Authors	Country	Year	Population	Age	Sex		Anastomosis height (cm)	No LARS	Minor/ Major LARS
ID	Authors	Country	Year	Population	Age	Male	Female	Anastomosis height (cm)	No LARS	Minor/ Major LARS
1	Yuan Qiu et al	China	2013	337	61.03	208 (61.72)	337	LA: 131 (38.87) HA: 206 (61.12)	211 (62.61)	126 (37.39)
2	Patomphon Ekkarat et al	Thailand	2009	129	60.2	67 (51.94)	129	7.6	84 (65.12)	45 (34.88)
3	Alexandra Filips et al	Switzerland	2015	80	62.0	53 (66.25)	80	4	26 (32.5)	64 (80)
4	Wells et al	New Zealand	2017	262	68.8	151 (57.63)	262	LA: 131 (50) HA: 131 (50)	102 (38.93)	160 (61.07)

LARS score is a questionnaire consisting of 5 questions, ranging from 0 to 42, with 0 to 20, 21 to 29, and 30 to 42, regarded as No LARS, Minor LARS, and Major LARS, respectively [21]
Qualitative data are presented as count (percent); Quantitative data are presented as mean
LA: Low anastomosis (< 5cm from the anal verge), HA High anastomosis (> 5cm from the anal verge)

ISSN: 1471-2482