Demographic, tumour and preoperative imaging characteristics of patients with gastric cancer who underwent staging laparoscopy
| Characteristic | No. (%) of patients* n = 116 |
|---|---|
| Demographic | |
| Age, mean ± SD, yr | 63 ± 13.1 |
| Gender | |
| Male | 76 (65.5) |
| Female | 37 (31.9) |
| Missing | 3 (2.6) |
| Ethnicity | |
| White | 77 (66.4) |
| First Nations/Aboriginal | 6 (5.2) |
| South American/Central American/Caribbean | 5 (4.3) |
| Middle East | 1 (0.9) |
| Asian | 15 (12.9) |
| Missing | 12 (10.3) |
| Symptom duration, wk | |
| ≤ 12 | 45 (38.8) |
| 13–24 | 23 (19.8) |
| 25–52 | 25 (21.6) |
| > 52 | 7 (6.0) |
| Missing | 16 (13.8) |
| Weight loss, pounds | |
| ≤ 10 (4.5 kg) | 35 (30.2) |
| 11–25 (5.0–11.3 kg) | 20 (17.2) |
| 26–50 (11.8–22.7 kg) | 24 (20.7) |
| > 50 (22.7 kg) | 2 (1.7) |
| Missing | 35 (30.2) |
| Preoperative imaging findings | |
| Primary tumour visible | |
| Yes | 93 (80.2) |
| No | 18 (15.5) |
| Equivocal | 3 (2.6) |
| Missing | 2 (1.7) |
| Intrathoracic metastases | |
| Yes | 1 (0.9) |
| No | 98 (84.5) |
| Equivocal | 15 (12.9) |
| Missing | 2 (1.7) |
| Abdominal lymphadenopathy > 1 cm | 8 (6.9) |
| Ascites | 8 (6.9) |
| Peritoneal nodules | |
| Yes | 1 (0.9) |
| No | 112 (96.6) |
| Missing | 3 (2.6) |
| Omental nodules | 3 (2.6) |
| Tumour characteristics | |
| Location | |
| Gastroesophageal junction | 34 (29.3) |
| Upper stomach not involving gastroesophageal junction | 24 (20.7) |
| Body of stomach | 27 (23.3) |
| Antrum/pylorus | 29 (25.0) |
| Entire stomach | 1 (0.9) |
| Other | 1 (0.9) |
| Biopsy pathologic findings | |
| Adenocarcinoma not otherwise specified | 47 (40.5) |
| Adenocarcinoma intestinal type | 11 (9.5) |
| Adenocarcinoma diffuse type no signet cells | 3 (2.6) |
| Adenocarcinoma with signet cells | 55 (47.4) |
| Grade | |
| Well-differentiated, low grade | 2 (1.7) |
| Moderately differentiated, mid-grade | 6 (5.2) |
| Poorly differentiated, high grade | 78 (67.2) |
| Missing | 30 (25.9) |
SD = standard deviation.
↵* Except where noted otherwise.