28 July 2021: Clinical Research
Effects of Preoperative Pyloric Stenosis on Outcomes and Nutritional Status in 73 Patients Following Curative Gastrectomy for Gastric Cancer: A Retrospective Study from a Single Center
Xuguang Jiao 1CE , Yu Wang 2BC , Xiangyang Qu 3BF , Jianjun Qu 1EG , Xinbo Wang 1AD*DOI: 10.12659/MSM.930974
Med Sci Monit 2021; 27:e930974
Table 1 Comparison of clinicopathologic characteristics between patients with and without pyloric stenosis.
| Variables | Whole study series | Propensity-score-matched pairs | |||
|---|---|---|---|---|---|
| Pyloric stenosis74 cases (%) | Non-pyloric stenosis269 cases (%) | p | Non-pyloric stenosis74 cases (%) | p | |
| Gender | 0.135 | 0.721 | |||
| Male | 53 (71.6) | 167 (62.1) | 50 (67.7) | ||
| Female | 21 (28.4) | 102 (37.9) | 24 (32.4) | ||
| Age at surgery (years) | 59.01±11.057 | 57.36±11.252 | 0.262 | 57.00±10.347 | 0.255 |
| Tumor size (cm) | 65.196±2.142 | 4.555±2.456 | 5.457±2.824 | 0.528 | |
| Type of gastrectomy | 0.818 | ||||
| Distal | 62 (83.8) | 249 (92.6) | 64 (86.5) | ||
| Total | 12 (16.2) | 20 (7.4) | 10 (13.5) | ||
| Type of reconstruction | 0.889 | ||||
| Billroth I | 36 (48.6) | 175 (65.3) | 38 (51.4) | ||
| Billroth II | 26 (35.1) | 73 (27.2) | 26 (35.1) | ||
| Roux-en Y | 12 (16.2) | 20 (7.5) | 10 (10.0) | ||
| Lauren’s classification | 0.067 | 0.471 | |||
| Intestinal | 12 (16.2) | 73 (27.1) | 8 (10.8) | ||
| Diffuse | 62 (83.8) | 196 (72.9) | 66 (89.2) | ||
| Depth of invasion | 0.879 | ||||
| T1 | 0 (0) | 11 (4.1) | 0 | ||
| T2 | 0 (0) | 26 (9.7) | 0 | ||
| T3 | 3 (4.1) | 34 (12.6) | 2 (2.7) | ||
| T4a | 63 (85.1) | 185 (68.8) | 63 (85.1) | ||
| T4b | 8 (10.8) | 13 (4.8) | 9 (12.2) | ||
| Lymph node metastasis | |||||
| N0 | 5 (6.8) | 117 (43.5) | 0 | ||
| N1 | 16 (21.6) | 28 (10.4) | 19 (25.7) | ||
| N2 | 11 (14.9) | 54 (20.1) | 3 (4.1) | ||
| N3a | 30 (40.5) | 53 (19.7) | 37 (50) | ||
| N3b | 12 (16.2) | 17 (6.3) | 15 (20.3) | ||
| Adjuvant chemotherapy | 0.492 | 1 | |||
| No | 23 (31.1) | 97 (36.1) | 23 (31.1) | ||
| Yes | 51 (68.9) | 172 (63.9) | 51 (68.9) | ||
| Number of examined lymph nodes | 25.36±9.47 | 22.82±8.60 | 27.51±11.24 | 0.208 | |
| Number of positive lymph nodes | 8.69±7.94 | 4.33±5.95 | 9.97±7.23 | 0.306 | |