Research Article
Comparison of Anthropometric Parameters after Ultralow Anterior Resection and Abdominoperineal Resection in Very Low-Lying Rectal Cancers
Table 1
Demographics and preoperative data.
| | Total () | APR () | uLAR () | value |
| | Age at operation, years | 57.9 ± 10.3 | 56.6 ± 10.9 | 59.0 ± 9.8 | 0.495 | | Sex: male, n (%) | 19 (54.3) | 11 (64.7) | 8 (44.4) | 0.229 | | BMI, kg/m2 | 23.3 ± 2.3 | 23.7 ± 2.5 | 23.0 ± 2.3 | 0.423 | | Body weight, kg | 60.6 ± 7.7 | 61.0 ± 7.8 | 60.2 ± 7.7 | 0.572 | | Protein, g/dL | 7 ± 0.59 | 7.0 ± 0.7 | 7.0 ± 0.48 | 0.912 | | Albumin, g/dL | 4.1 ± 0.4 | 4.1 ± 0.5 | 4.2 ± 0.29 | 0.458 | | Hemoglobin, g/dL | 12.3 ± 1.0 | 12.0 ± 1.1 | 12.6 ± 0.9 | 0.07 | | Lymphocytes, mm3 | 1183 ± 425 | 1206 ± 501 | 1162 ± 352 | 0.766 | | PCRT, n (%) | 32 (91.4) | 16 (94.1) | 16 (88.9) | 0.581 | | Tumor location from AV, cm | 2.2 ± 0.77 | 1.62 ± 0.63 | 2.72 ± 0.43 | <0.001 | | Clinical T category, n (%) | | | | 0.684 | | 1-2 | 9 (25.7) | 5 (29.4) | 4 (22.2) | | | 3-4 | 26 (74.3) | 12 (70.6) | 14 (77.8) | | | Clinical N category, n (%) | | | | 0.318 | | 0 | 8 (22.9) | 3 (17.6) | 5 (27.8) | | | 1 | 11 (31.4) | 4 (23.5) | 7 (38.9) | | | 2 | 16 (45.7) | 10 (58.8) | 6 (33.3) | |
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APR: abdominoperineal resection; uLAR: ultralow anterior resection; BMI: body mass index; PCRT: preoperative chemoradiation therapy; AV: anal verge.
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