From: Mastoidectomy and mastoid obliteration with autologous bone graft: a quality of life study
 | Entire cohort | Primary obliteration | Secondary obliteration | Mann–Whitney test (Primary vs Secondary) |
---|---|---|---|---|
Overall (mean) | 22 | 19 | 31 | 0.14 |
General subscale (mean) | 23 | 20 | 34 | 0.10 |
Physical subscale (mean) | 25 | 21 | 39 | 0.15 |
Social subscale (mean) | 22 | 22 | 25 | 0.43 |