| . | Patients (n = 81) . |
|---|---|
| Male sex, n (%) | 46 (56.8) |
| Age at disease onset, y | 58.7 ± 13.6 |
| Age at stridor onset, y | 60.6 ± 11.8 |
| Stridor as the first disease manifestation, n (%) | 4 (4.9) |
| Age at V-PSG, y | 61.8 ± 11.2 |
| Inspiratory stridor, n (%) | 79 (97.5) |
| Expiratory stridor, n (%) | 11 (13.6) |
| Inspiratory and expiratory stridor, n | 9 (11.1) |
| AHI, n | 21.4 ± 18.6 |
| AHI > 5, n (%) | 68 (83.9) |
| AHI > 10, n (%) | 52 (64.2) |
| AHI > 30, n (%) | 19 (23.5) |
| Obstructive apnea index, n | 19.9 ± 18.1 |
| Central apnea index, n | 1.3 ± 6.8 |
| CT90, n | 11.5 ± 19.1 |
| Nadir O2Hb, n | 84.2 ± 7.4 |
| Stridor during wakefulness, n (%) | 13 (16.0) |
| Laryngoscopy, n (%) | 72 (88.9) |
| Abnormal vocal cord mobility in laryngoscopy, n (%) | 65 (91.5) |
| Vocal cord bilateral impairment, n (%) | 42 (64.6) |
| Vocal cord unilateral impairment, n (%) | 23 (35.4) |
| Vocal cord flickering, n (%) | 6 (9.2) |
| CPAP therapy, n | 60 (74.1) |
| CPAP pressure, cm H2O | 9.0 ± 2.3 |
| Tracheostomy, n (%) | 19 (23.4) |
| Cordotomy, n (%) | 3 (3.7) |
| . | Patients (n = 81) . |
|---|---|
| Male sex, n (%) | 46 (56.8) |
| Age at disease onset, y | 58.7 ± 13.6 |
| Age at stridor onset, y | 60.6 ± 11.8 |
| Stridor as the first disease manifestation, n (%) | 4 (4.9) |
| Age at V-PSG, y | 61.8 ± 11.2 |
| Inspiratory stridor, n (%) | 79 (97.5) |
| Expiratory stridor, n (%) | 11 (13.6) |
| Inspiratory and expiratory stridor, n | 9 (11.1) |
| AHI, n | 21.4 ± 18.6 |
| AHI > 5, n (%) | 68 (83.9) |
| AHI > 10, n (%) | 52 (64.2) |
| AHI > 30, n (%) | 19 (23.5) |
| Obstructive apnea index, n | 19.9 ± 18.1 |
| Central apnea index, n | 1.3 ± 6.8 |
| CT90, n | 11.5 ± 19.1 |
| Nadir O2Hb, n | 84.2 ± 7.4 |
| Stridor during wakefulness, n (%) | 13 (16.0) |
| Laryngoscopy, n (%) | 72 (88.9) |
| Abnormal vocal cord mobility in laryngoscopy, n (%) | 65 (91.5) |
| Vocal cord bilateral impairment, n (%) | 42 (64.6) |
| Vocal cord unilateral impairment, n (%) | 23 (35.4) |
| Vocal cord flickering, n (%) | 6 (9.2) |
| CPAP therapy, n | 60 (74.1) |
| CPAP pressure, cm H2O | 9.0 ± 2.3 |
| Tracheostomy, n (%) | 19 (23.4) |
| Cordotomy, n (%) | 3 (3.7) |
Values are expressed as mean, standard deviation, number, and percentatges. V-PSG, video-polysomnography; AHI, apnea–hypopnea index; CT90, cummulative percentatge of sleep time with oxyhemoglobin saturation below 90; O2Hb, oxyhemoglobin saturation; CPAP, continuous positive airway pressure.
| . | Patients (n = 81) . |
|---|---|
| Male sex, n (%) | 46 (56.8) |
| Age at disease onset, y | 58.7 ± 13.6 |
| Age at stridor onset, y | 60.6 ± 11.8 |
| Stridor as the first disease manifestation, n (%) | 4 (4.9) |
| Age at V-PSG, y | 61.8 ± 11.2 |
| Inspiratory stridor, n (%) | 79 (97.5) |
| Expiratory stridor, n (%) | 11 (13.6) |
| Inspiratory and expiratory stridor, n | 9 (11.1) |
| AHI, n | 21.4 ± 18.6 |
| AHI > 5, n (%) | 68 (83.9) |
| AHI > 10, n (%) | 52 (64.2) |
| AHI > 30, n (%) | 19 (23.5) |
| Obstructive apnea index, n | 19.9 ± 18.1 |
| Central apnea index, n | 1.3 ± 6.8 |
| CT90, n | 11.5 ± 19.1 |
| Nadir O2Hb, n | 84.2 ± 7.4 |
| Stridor during wakefulness, n (%) | 13 (16.0) |
| Laryngoscopy, n (%) | 72 (88.9) |
| Abnormal vocal cord mobility in laryngoscopy, n (%) | 65 (91.5) |
| Vocal cord bilateral impairment, n (%) | 42 (64.6) |
| Vocal cord unilateral impairment, n (%) | 23 (35.4) |
| Vocal cord flickering, n (%) | 6 (9.2) |
| CPAP therapy, n | 60 (74.1) |
| CPAP pressure, cm H2O | 9.0 ± 2.3 |
| Tracheostomy, n (%) | 19 (23.4) |
| Cordotomy, n (%) | 3 (3.7) |
| . | Patients (n = 81) . |
|---|---|
| Male sex, n (%) | 46 (56.8) |
| Age at disease onset, y | 58.7 ± 13.6 |
| Age at stridor onset, y | 60.6 ± 11.8 |
| Stridor as the first disease manifestation, n (%) | 4 (4.9) |
| Age at V-PSG, y | 61.8 ± 11.2 |
| Inspiratory stridor, n (%) | 79 (97.5) |
| Expiratory stridor, n (%) | 11 (13.6) |
| Inspiratory and expiratory stridor, n | 9 (11.1) |
| AHI, n | 21.4 ± 18.6 |
| AHI > 5, n (%) | 68 (83.9) |
| AHI > 10, n (%) | 52 (64.2) |
| AHI > 30, n (%) | 19 (23.5) |
| Obstructive apnea index, n | 19.9 ± 18.1 |
| Central apnea index, n | 1.3 ± 6.8 |
| CT90, n | 11.5 ± 19.1 |
| Nadir O2Hb, n | 84.2 ± 7.4 |
| Stridor during wakefulness, n (%) | 13 (16.0) |
| Laryngoscopy, n (%) | 72 (88.9) |
| Abnormal vocal cord mobility in laryngoscopy, n (%) | 65 (91.5) |
| Vocal cord bilateral impairment, n (%) | 42 (64.6) |
| Vocal cord unilateral impairment, n (%) | 23 (35.4) |
| Vocal cord flickering, n (%) | 6 (9.2) |
| CPAP therapy, n | 60 (74.1) |
| CPAP pressure, cm H2O | 9.0 ± 2.3 |
| Tracheostomy, n (%) | 19 (23.4) |
| Cordotomy, n (%) | 3 (3.7) |
Values are expressed as mean, standard deviation, number, and percentatges. V-PSG, video-polysomnography; AHI, apnea–hypopnea index; CT90, cummulative percentatge of sleep time with oxyhemoglobin saturation below 90; O2Hb, oxyhemoglobin saturation; CPAP, continuous positive airway pressure.
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