Degree of hearing loss | First month | Six month | Diff-in-Diff | p | ||||||
AG | BQ | Diff (AG-BQ) | p | AG | BQ | Diff (AG-BQ) | p |
| ||
Mean | difference of mean | Mean | difference of mean | |||||||
without covariate | 28.3 | 30.1 | −1.787 | 0.298 | 60.5 | 44.0 | 16.5 | <0.001 | 18.3 | <0.001 |
Adjusted for albumin serum only | 39.4 | 41.2 | −1.781 | 0.412 | 71.3 | 52.9 | 18.3 | <0.001 | 20.1 | <0.001 |
Adjusted for age only | 16.1 | 18.3 | −2.223 | 0.180 | 48.3 | 32.5 | 15.8 | <0.001 | 18.0 | <0.001 |
Adjusted for age and albumin serum | 27.3 | 29.3 | −2.02 | 0.335 | 59.1 | 41.3 | 17.8 | <0.001 | 19.8 | <0.001 |