©The Author(s) 2025.
World J Gastrointest Surg. Mar 27, 2025; 17(3): 95983
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.95983
Published online Mar 27, 2025. doi: 10.4240/wjgs.v17.i3.95983
Table 1 Clinical and surgical characteristics before and after matching
| Variables | Before PSM | P value | After PSM | P value | ||
| DS (n = 421) | SF (n = 84) | DS (n = 78) | SF (n = 78) | |||
| Gender | 0.042 | 0.521 | ||||
| Male | 273 (64.8) | 44 (52.4) | 34 (43.6) | 39 (50.0) | ||
| Female | 148 (35.2) | 40 (47.6) | 44 (56.4) | 39 (50.0) | ||
| Age, median (range) years | 60.0 (20.0, 84.0) | 64.0 (23.0, 84.0) | 0.003 | 64.0 (31.0, 82.0) | 64.0 (33.0, 84.0) | 1 |
| < 60 | 204 (48.4) | 25 (29.8) | 25 (32.1) | 25 (32.1) | ||
| ≥ 60 | 217 (51.6) | 59 (70.2) | 53 (67.9) | 53 (67.9) | ||
| BMI, median (range) kg/m2 | 23.7 (14.5, 32.9) | 23.8 (17.8, 34.4) | 1 | 23.9 (17.1, 29.3) | 23.7 (17.8, 34.4) | 1 |
| < 25 | 270 (64.1) | 54 (64.3) | 51 (65.4) | 52 (66.7) | ||
| ≥ 25 | 151 (35.9) | 30 (35.7) | 27 (34.6) | 26 (33.3) | ||
| ASA score | 0.005 | 0.744 | ||||
| I-II | 408 (96.9) | 75 (89.3) | 74 (94.9) | 72 (92.3) | ||
| III | 13 (3.1) | 9 (10.7) | 4 (5.1) | 6 (7.7) | ||
| Diabetes | 1 | 0.811 | ||||
| Yes | 55 (13.1) | 11 (13.1) | 9 (11.5) | 11 (14.1) | ||
| No | 366 (86.9) | 73 (86.9) | 69 (88.5) | 67 (85.9) | ||
| Tumor size, median (range) mm | 35.0 (10.0, 120.0) | 35.0 (15.0, 80.0) | 0.628 | 35.0 (20.0, 90.0) | 35.0 (15.0, 80.0) | 0.958 |
| > 35 | 209 (49.6) | 41 (48.8) | 32 (41.0) | 36 (46.2) | ||
| ≤ 35 | 212 (50.4) | 43 (51.2) | 46 (59.0) | 42 (53.8) | ||
| Differentiation status | 0.216 | 0.277 | ||||
| Poor | 65 (15.4) | 8 (9.5) | 10 (12.8) | 5 (6.4) | ||
| Well-moderate | 356 (84.6) | 76 (90.5) | 68 (87.2) | 73 (93.6) | ||
| Tumor type | 0.944 | 1 | ||||
| Ulcer | 281 (66.7) | 57 (67.9) | 57(73.1) | 57(73.1) | ||
| Protrusion | 140 (33.3) | 27 (32.1) | 31(26.9) | 31(26.9) | ||
| pT stage | 0.362 | 0.255 | ||||
| 0-2 | 181 (43.0) | 31 (36.9) | 36 (46.2) | 28 (35.9) | ||
| 3 | 240 (57.0) | 53 (63.1) | 42 (53.8) | 50 (64.1) | ||
| pN stage | 0.782 | 0.104 | ||||
| N+ | 150 (35.6) | 28 (33.3) | 16 (20.5) | 26 (33.3) | ||
| N0 | 271 (64.4) | 56 (66.7) | 62 (79.5) | 52 (66.7) | ||
| M stage | 1 | 1 | ||||
| M1 | 8 (1.9) | 1 (1.2) | 1 (1.3) | 1 (1.3) | ||
| M0 | 413 (98.1) | 83 (98.8) | 77 (98.7) | 77 (98.7) | ||
| pTNM stage | 0.659 | 0.104 | ||||
| I-II | 154 (36.6) | 28 (33.3) | 16 (20.5) | 26 (33.3) | ||
| III-IV | 267 (63.4) | 56 (66.7) | 62 (79.5) | 52 (66.7) | ||
| nCRT | 0.009 | 1 | ||||
| Yes | 62 (14.7) | 3 (3.6) | 4 (5.1) | 3 (3.8) | ||
| No | 359 (85.3) | 81 (96.4) | 74 (94.9) | 75 (96.2) | ||
| Tumor height from anal verge, median (range) cm | 4.0 (3.5-4.0) | 4.5 (4.0-5.0) | < 0.001 | 4.0 (4.0-4.5) | 4.0 (4.0-4.5) | 0.412 |
| ≤ 4.0 | 343 (81.5) | 41 (48.8) | 48 (61.5) | 39 (50.0) | ||
| > 4.0 | 68 (18.5) | 43 (51.2) | 30 (38.5) | 39 (50.0) | ||
| Anastomotic height from anal verge, median (range) cm | 2.00 (0.50, 4.00) | 2.50 (1.00, 4.00) | < 0.001 | 2.00 (1.00, 4.00) | 2.50 (1.00, 4.00) | 1 |
| ≤ 3.0 | 406 (96.4) | 73 (86.9) | 72 (92.3) | 72 (92.3) | ||
| > 3.0 | 15 (3.6) | 11 (13.1) | 6 (7.7) | 6 (7.7) | ||
| LCA retention | < 0.001 | 1 | ||||
| Yes | 205 (48.7) | 61 (72.6) | 54 (69.2) | 55 (70.5) | ||
| No | 216 (51.3) | 23 (27,4) | 24 (30.8) | 23 (29.5) | ||
| Lateral lymph node dissection | 0.260 | 0.247 | ||||
| Yes | 51 (12.1) | 6 (7.2) | 9 (11.5) | 4 (5.1) | ||
| No | 370 (87.9) | 78 (92.8) | 69 (88.5) | 74 (94.9) | ||
| Hb (g/L) | 0.911 | 0.802 | ||||
| ≥ 120 | 366 (86.9) | 74 (88.1) | 70 (89.7) | 68 (87.2) | ||
| < 120 | 55 (13.1) | 10 (11.9) | 8 (10.3) | 10 (12.8) | ||
| ALB (g/L) | 0.328 | 0.342 | ||||
| ≥ 35.0 | 334 (79.3) | 62 (73.8) | 63 (80.8) | 57 (73.1) | ||
| < 35.0 | 87 (20.7) | 22 (26.2) | 15 (19.1) | 21 (26.9) | ||
| CEA (μg/L) | 0.122 | 0.561 | ||||
| > 5.0 | 134 (31.8) | 19 (22.6) | 15 (19.2) | 19 (24.4) | ||
| ≤ 5.0 | 287 (68.2) | 65 (77.4) | 63 (80.8) | 59 (75.6) | ||
- Citation: Hu G, Ma J, Qiu WL, Mei SW, Zhuang M, Xue J, Liu JG, Tang JQ. Patient selection and operative strategies for laparoscopic intersphincteric resection without diverting stoma. World J Gastrointest Surg 2025; 17(3): 95983
- URL: https://www.wjgnet.com/1948-9366/full/v17/i3/95983.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v17.i3.95983