Table 4.
Patient impressions, frequency of using, and symptoms.a
| Patient numbers | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| Impressions | ||||||||
| Satisfaction of NIV with mouthpiece | 9 | 5 | 8 | 9 | 5 | 9 | 10 | 9 |
| Satisfaction of mouthpiece’s support | 4 | 2 | / | 9 | 9 | 5 | 9 | 9 |
| Difficulty to connect/disconnect to mouthpiece | 0 | 8 | 0 | 9 | 3 | 5 | 1 | 1 |
| Tolerance of mouthpiece | 8 | 8 | 5 | 9 | 5 | 5 | 9 | 9 |
| Comfort of mouthpiece | 7 | 7 | 5 | 9 | 5 | 8 | 8 | 9 |
| Efficacy of NIV with mouthpiece | 10 | 4 | 9 | 10 | 5 | 9 | 10 | 10 |
| Preference to mouthpiece rather than nasal mask | 0 | 5 | 9 | 10 | 5 | 9 | 8 | 10 |
| Inspiratory trigger | ||||||||
| Frequency of using | 0 | 5 | 1 | 8 | 5 | 2 | 1 | 1 |
| Easiness of using | / | 5 | 9 | 9 | 5 | 9 | 9 | 9 |
| Patient adaptation to it | / | 5 | 9 | 9 | 5 | 9 | 5 | 5 |
| Frequency of expiration through the mouthpiece | 10 | 5 | 9 | 5 | 5 | 2 | 5 | 5 |
| Symptoms | ||||||||
| Headaches | N | Y | N | N | N | Y | N | Y |
| Upon awakening | N | Y | N | N | N | N | N | Y |
| During the afternoon | N | N | N | N | N | N | N | N |
| After a long time of mouthpiece use | N | N | N | N | N | N | N | N |
| At any time | N | N | N | N | N | Y | N | N |
| Asthenia | N | N | N | N | N | N | N | N |
| Drowsiness | N | N | Y | N | N | Y | N | N |
NIV: noninvasive ventilation.
aFrequency of using is measured using visual analog scales: from 0 (not) to 10 (very) and symptoms: N = no; Y = yes.