Table 2:
Extent level and cause of mediastinitis
| Extent level and cause | All patients | VATS | Thoracotomy | P-Value | |
|---|---|---|---|---|---|
| n = 141 | n = 83 | n = 58 | |||
| Level of mediastinal extent | Above the carina (type I) | 47 (33.3) | 32 (38.6) | 15 (25.9) | 0.1797 |
| Anterior lower mediastinum (type IIA) | 16 (11.3) | 8 (9.6) | 8 (13.8) | ||
| Anterior and posterior lower mediastinum (type IIB) | 51 (36.2) | 25 (30.1) | 26 (44.8) | ||
| Posterior lower mediastinum (type IIC) | 27 (19.1) | 18 (21.7) | 9 (15.5) | ||
| Type of origin | Traumatic | 3 (2.1) | 2 (2.4) | 1 (1.7) | 0.7428 |
| Medical procedure related | 5 (3.5) | 2 (2.4) | 3 (5.2) | ||
| Infection | 133 (94.3) | 79 (95.2) | 54 (93.1) | ||
| Source of infection | Odontogenic | 24 (17.0) | 14 (16.9) | 10 (17.2) | 0.3229 |
| Oral | 5 (3.5) | 4 (4.8) | 1 (1.7) | ||
| Pharyngeal | 71 (50.4) | 43 (51.8) | 28 (48.3) | ||
| Cervical | 33 (23.4) | 16 (19.3) | 17 (29.3) | ||
| Oesophageal | 1 (0.7) | 1 (1.7) | |||
| Others | 7 (5.0) | 6 (7.2) | 1 (1.7) | ||
| Pleural effusion | Without effusion | 33 (23.4) | 24 (28.9) | 9 (15.5) | 0.0451 |
| Right | 28 (19.9) | 20 (24.1) | 8 (13.8) | ||
| Left | 9 (6.4) | 5 (6.0) | 4 (6.9) | ||
| Bilateral | 71 (50.4) | 34 (41.0) | 37 (63.8) | ||
| Empyema | Without empyema | 94 (66.7) | 58 (69.9) | 36 (62.1) | 0.2618 |
| Right | 19 (13.5) | 13 (15.7) | 6 (10.3) | ||
| Left | 11 (7.8) | 5 (6.0) | 6 (10.3) | ||
| Bilateral | 17 (12.1) | 7 (8.4) | 10 (17.2) | ||
Values were presented as n (%) and assessed using the Fisher’s exact test.
VATS: video-assisted thoracic surgery.