Table 1 Comparison of defined disorder levels in the study with SIR criteria
SIR score | Levels of intelligibility in SIR criteria | Levels of voice disorder in the study |
|---|---|---|
1 | Connected speech is unintelligible. Prerecognizable words in spoken language, primary mode of communication may be manual. | Level1 |
2 | Connected speech is unintelligible. Intelligible speech is developing in single words when context and lip-reading cues are available. | Level2 |
3 | Connected speech is intelligible to a listener who concentrates on lip-reading. | Level2 |
4 | Connected speech is intelligible to a listener who has little experience of a deaf person's speech. | Level3 |
5 | Connected speech is intelligible to all listeners. | Level4 |