Table 1.
Patient characteristics (†Fisher's Exact Test; ‡Wilcoxon Two Sample Test).
| Variable | Patient Characteristic | Overall Characteristics |
RVP Positive |
FARVPP Negative |
P value |
|---|---|---|---|---|---|
| N (%) or median (IQR) | N (%) or median (IQR) | N (%) or median (IQR) | |||
| All patients | 132 (100) | 60 (100.0) | 72 (100) | ||
| RVP Results | Negative | 72 (54.5) | |||
| Positive | 60 (45.5) | ||||
| Age, y | 0.71 (0.18, 2.8) | 1.0 (0.2, 2.6) | 0.5 (0.2, 3.0) | ‡0.4058 | |
| Female | 57 (43.2) | 25 (41.7) | 32 (44.4) | 0.7483 | |
| Race | White | 88 (67.7) | 40 (69.0) | 48 (66.7) | 0.1409 |
| Black | 23 (17.7) | 13 (22.4) | 10 (13.9) | ||
| Other | 19 (14.6) | 5 (8.6) | 14 (19.4) | ||
| Ethnicity | Not Hispanic or Latino | 125 (94.7) | 58 (96.7) | 67 (93.1) | 0.1407 |
| Hispanic or Latino | 4 (3.0) | 0 (0.0) | 4 (5.6) | ||
| Unknown | 3 (2.3) | 2 (3.3) | 1 (1.4) | ||
| Length of Stay | 11 (5.0, 33.5) | 9 (3.5, 25.0) | 12 (6.0, 42.0) | ‡0.0566 | |
| BMI | 16.5 (14.8, 18.9) | 16.8 (15.3, 18.6) | 16.3 (14.4, 19.2) | ‡0.9921 | |
| ASA | Class I | 4 (3.1) | 3 (5.1) | 1 (1.4) | 0.0559 |
| Class II | 30 (22.9) | 18 (30.5) | 12 (16.7) | ||
| Class III | 67 (51.2) | 23 (39.0) | 44 (61.1) | ||
| Class IV | 30 (22.9) | 15 (25.4) | 15 (20.8) | ||
| Comorbidities | None | 20 (15.2) | 12 (20.0) | 8 (11.1) | 0.1561 |
| Preoperative Structural Airway Diagnosis | 58 (43.9) | 20 (33.3) | 38 (52.8) | 0.0250 | |
| Prematurity | 35 (26.5) | 18 (30.0) | 17 (23.6) | 0.4077 | |
| Cardiovascular Disease History | 32 (24.2) | 10 (16.7) | 22 (30.6) | 0.0637 | |
| Poor Feeding/Failure to Thrive | 30 (22.7) | 12 (20.0) | 18 (25.0) | 0.4949 | |
| Neurologic Disease History | 23 (17.4) | 9 (15.0) | 14 (19.4) | 0.5027 | |
| Lung Disease History | 22 (16.7) | 7 (11.7) | 15 (20.8) | 0.1594 | |
| Gastroesophageal Reflux Disease | 21 (15.9) | 12 (20.0) | 9 (12.5) | 0.2408 | |
| Prior DLB | 20 (15.2) | 8 (13.3) | 12 (16.7) | 0.5948 | |
| Asthma | 13 (9.9) | 7 (11.7) | 6 (8.3) | 0.5222 | |
| Congenital/Other Chromosomal Disease | 13 (9.9) | 6 (10.0) | 7 (9.7) | 0.9575 | |
| Down Syndrome | 8 (6.1) | 2 (3.3) | 6 (8.3) | †0.2907 | |
| Recurrent URTIs | 7 (5.3) | 6 (10.0) | 1 (1.4) | †0.0464 | |
| Obstructive Sleep Apnea | 4 (3.0) | 1 (1.7) | 3 (4.2) | †0.6256 |