Table 2.
Operative characteristics and findings (†Fisher's Exact Test).
| Variable | Patient Characteristics | Overall Characteristics (n = 132) | RVP Positive (n = 60) | RVP Negative (n = 72) | P value |
|---|---|---|---|---|---|
| DLB Indication | Structural Concern | 59 (44.7) | 24 (40.0) | 35 (48.6) | 0.3218 |
| Distress/Clinical Concern | 52 (39.4) | 21 (35.0) | 31 (43.1) | 0.3456 | |
| Foreign Body Aspiration | 17 (12.9) | 10 (16.7) | 7 (9.7) | 0.2356 | |
| URI Infection | 13 (9.9) | 11 (18.3) | 2 (2.8) | 0.0028 | |
| Other | 9 (6.8) | 5 (8.3) | 4 (5.6) | †0.7311 | |
| Bleeding | 6 (4.6) | 1 (1.7) | 5 (6.9) | †0.2198 | |
| Airway Pathology on DLB | Yes | 102 (77.3) | 43 (71.7) | 59 (81.9) | 0.1606 |
| DLB Finding Airway Region | Normal | 30 (22.7) | 17 (28.3) | 13 (18.1) | 0.1606 |
| Subglottis | 40 (30.3) | 23 (38.3) | 17 (23.6) | 0.0669 | |
| Supraglottis | 37 (28.0) | 11 (18.3) | 26 (36.1) | 0.0236 | |
| Trachea | 23 (17.4) | 10 (16.7) | 13 (18.1) | 0.8341 | |
| Glottis | 19 (14.4) | 9 (15.0) | 10 (13.9) | 0.8563 | |
| Bronchi | 13 (9.9) | 5 (8.3) | 8 (11.1) | 0.5938 | |
| Number of Airway Pathology Regions | None | 30 (22.7) | 17 (28.3) | 13 (18.1) | 0.2745 |
| One | 82 (62.1) | 33 (55.0) | 49 (68.1) | ||
| Multilevel | 20 (15.2) | 10 (16.7) | 10 (13.9) | ||
| Airway Endoscopic Intervention | None | 93 (70.5) | 44 (73.3) | 49 (68.1) | 0.5081 |
| Supraglottoplasty | 18 (13.6) | 6 (10.0) | 12 (16.7) | 0.2664 | |
| Mass/cyst excision | 8 (6.1) | 3 (5.0) | 5 (7.1) | †0.7261 | |
| Foreign body removal | 7 (5.3) | 6 (10.0) | 1 (1.4) | †0.0464 | |
| Injection laryngoplasty | 3 (2.3) | 0 (0.0) | 3 (4.2) | †0.2505 | |
| Granulation tissue excision | 2 (1.5) | 0 (0.0) | 2 (2.8) | †0.4997 |