Table 1 Clinicopathological characteristics of Group A and Group B
From: Robotic portal resection for mediastinal tumours: a prospective observational study
Characteristics | Group Aa (N = 45) | Group Bb (N = 28) | P value |
|---|---|---|---|
Age (years) | Â | Â | Â |
 Median (IQR) | 48 (35, 59) | 39 (32, 59) | 0.212 |
Gender | Â | Â | 0.461 |
 Male | 15 (33.3%) | 12 (42.9%) |  |
 Female | 30 (66.7%) | 16 (57.1%) |  |
Smoking | Â | Â | 0.223 |
 Current | 0 | 1 (3.6%) |  |
 Quit | 5 (11.1%) | 4 (14.3%) |  |
 Never | 40 (88.9%) | 23 (82.1%) |  |
BMI (kg/m²) |  |  | 0.532 |
 < 18.5 | 3 (6.7%) | 2 (7.1%) |  |
 18.5–24.9 | 30 (66.7%) | 17 (60.7%) |  |
 25.0–29.9 | 11 (24.4%) | 6 (21.4%) |  |
 > 30.0 | 1 (2.2%) | 3 (10.7%) |  |
Symptom | Â | Â | 0.189 |
 Asymptomatic | 36 (80.0%) | 16 (57.1%) |  |
 Cough | 4 (8.9%) | 3 (10.7%) |  |
 Chest pain | 3 (6.7%) | 4 (14.3%) |  |
 Chest tightness | 1 (2.2%) | 3 (10.7%) |  |
 Other | 1 (2.2%) | 2 (7.1%) |  |
Tumour location | Â | Â | 0.479 |
 Left anterior | 11 (24.4%) | 9 (32.1%) |  |
 Right anterior | 8 (17.8%) | 7 (25.0%) |  |
 Anteromedian | 13 (28.9%) | 3 (10.7%) |  |
 Superior | 6 (13.3%) | 6 (21.4%) |  |
 Left posterior | 4 (8.9%) | 2 (7.1%) |  |
 Right posterior | 3 (6.7%) | 1 (3.6%) |  |
Tumour size (cm) | Â | Â | < 0.001 |
 Median (IQR) | 2.6 (1.8, 3.0) | 5.0 (4.2, 6.5) |  |
Comorbidities | Â | Â | 0.624 |
 Yes | 15 (33.3%) | 11 (39.3%) |  |
 No | 30 (66.7%) | 17 (60.7%) |  |
Approach | Â | Â | 0.529 |
 Left | 15 (33.3%) | 12 (42.9%) |  |
 Right | 28 (62.2%) | 16 (57.1%) |  |
 Subxiphoid | 2 (4.4%) | 0 |  |
Histology | Â | Â | 0.202 |
 Thymoma | 17 (37.8%) | 10 (35.7%) |  |
 Thymic cyst | 13 (28.9%) | 3 (10.7%) |  |
 Schwannoma | 6 (13.3%) | 3 (10.7%) |  |
 Bronchial cyst | 3 (6.7%) | 2 (7.1%) |  |
 Teratoma | 1 (2.2%) | 2 (7.1%) |  |
 Thymic hyperplasia | 1 (2.2%) | 2 (7.1%) |  |
 Thymic SCC | 1 (2.2%) | 1 (3.6%) |  |
 Castleman disease | 0 | 2 (7.1%) |  |
 Mediastinal cyst | 2 (4.4%) | 0 |  |
 Other | 1 (2.2%) | 3 (10.7%) |  |