Long-term oncologic outcomes of laparoscopic vs open surgery for stages II and III rectal cancer: A retrospective cohort study

doi:10.3748/wjg.v21.i18.5505

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May 14, 2015 (publication date) through Feb 2, 2025

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

World J Gastroenterol. May 14, 2015; 21(18): 5505-5512
Published online May 14, 2015. doi: 10.3748/wjg.v21.i18.5505

Table 1 Characteristics of the patients n (%)

	LRR (n = 152)	ORR (n = 254)	P value
Age¹ (yr)	59 (24-90)	55 (19-86)	0.033
Sex			0.600
Male	95 (62.5)	151 (59.4)
Female	57 (37.5)	103 (40.6)
BMI (kg/m²)	22.7 (11.1)	23.1 (9.5)	0.369
ASA			0.542
1	36	50
2	98	177
3	18	27
Tumor location			0.837
Upper rectum (10.1-15.0 cm)	39 (25.7)	59 (23.2)
Middle (5.1-10.0 cm)	60 (39.5)	101 (39.8)
Lower rectum (0-5 cm)	53 (34.9)	94 (37.0)
Tumor stage			0.259
II	78 (51.3)	115 (45.3)
III	74 (48.7)	139 (54.7)
Cell differentiation			0.192
Low	15 (9.9)	41 (16.1)
Middle	101 (66.4)	161 (63.4)
High	36 (23.7)	52 (20.5)
Neoadjuvant chemoradiotherapy	13 (8.6)	16 (6.3)	0.429
Postoperative chemotherapy			0.745
Total cycle	30 (19.7)	51 (20.1)
Partial cycle	18 (11.8)	24 (9.4)
Abdominal surgery history	21 (13.8)	28 (11.0)	0.433
Follow-up¹ (mo)	63 (28-112)	65 (32-118)	0.211

¹Values are median (range).

Citation: Zhou ZX, Zhao LY, Lin T, Liu H, Deng HJ, Zhu HL, Yan J, Li GX. Long-term oncologic outcomes of laparoscopic vs open surgery for stages II and III rectal cancer: A retrospective cohort study. World J Gastroenterol 2015; 21(18): 5505-5512
URL: https://www.wjgnet.com/1007-9327/full/v21/i18/5505.htm
DOI: https://dx.doi.org/10.3748/wjg.v21.i18.5505