Time of complication | Immediate | Up to 3 days | Up to 3 weeks | Up to 6 months | Total |
---|---|---|---|---|---|
Pneumothorax | 8 (3) | 8 (3) | |||
Vascular effects | 5 (5) | 4 | 2 (2) | 11 (7) | |
Lung and mediastinal infection due to oesophageal perforation | 15 (9) | 1 (1) | 1 | 17 (10) | |
Lung abscess without oesophageal perforation | 2 | 2 | |||
Lobar collapse | 2 | 2 |
Numbers in brackets indicate the number which had to be killed or died due to the complication. No rat had more than one complication.