Results of histological examination
| Talc poudrage | Talc slurry | p-value | |
| Pleural symphysis | 12/18 (66.7%) | 5/18 (27.8%) | 0.044* |
| Foreign body granuloma | 12/18 (66.7%) | 6/18 (33.3%) | 0.094 |
| Inflammation | 16/18 (88.9%) | 15/18 (83.3%) | 0.99 |
| Presence of talc particles | 14/18 (77.8%) | 11/18 (61.1%) | 0.47 |
| Presence of mesothelial cell sheet | 5/18 (27.8%) | 13/18 (72.2%) | 0.018* |
*: p<0.05 for talc poudrage versus slurry, Fisher test.