Table 4.
Results of the anchor-based MCID analyses with the five-grade anchor
| Measurement | HSS-DDI | |||
| Dysphagia | Dysphonia | |||
| Anchor type | Swallowing | Score change | Speech | Score change |
| Five-grade anchor score | Percent (number) | Mean ± SD change | Percent (number) | Mean ± SD change |
| Much better (+ 2) | 15 (34) | 22 ± 16 | 10 (23) | 11 ± 17 |
| A little better (+ 1)a | 34 (78) | 16 ± 14 | 17 (40) | 14 ± 18 |
| No change (0) | 46 (105) | 9 ± 13 | 70 (161) | 4 ± 13 |
| A little worse (-1) | 4 (10) | 10 ± 19 | 2 (5) | -2 ± 32 |
| Much worse (-2) | 1 (3) | 8 ± 34 | 1 (2) | 5 ± 16 |
| All | 100 (230)b | 13 ± 16 | 100 (231)b | 6 ± 17 |
| Measurement | SWAL-QOL | MDADI | ||
| Anchor type | Swallowing | Score change | Swallowing | Score change |
| Five-grade anchor score | Percent (number) | Mean ± SD change | Percent (number) | Mean ± SD change |
| Much better (+ 2) | 19 (28) | 10 ± 14 | 19 (28) | 6 ± 9 |
| A little better (+ 1)a | 37 (55) | 8 ± 11 | 37 (56) | 6 ± 11 |
| No change (0) | 41 (61) | 3 ± 9 | 40 (61) | 2 ± 7 |
| A little worse (-1) | 3 (4) | -1 ± 9 | 3 (4) | 0 ± 7 |
| Much worse (-2) | 1 (2) | 21± 6 | 1 (2) | 9 ± 4 |
| All | 100 (150)b | 6 ± 11 | 100 (151)b | 4 ± 9 |
Indicates the minimum mean change defining the MCIDs.
The total number for the all categories is different by surveys or domains due to differences in patients with complete surveys and missing answers.