Table 4.
Summary statistics for infant intra-oral vacuum measures, separated by feed and burst type. Data is presented as median (IQR) (range).
| Breast | Novel Teat | |||
|---|---|---|---|---|
| Sucks (n = 912) | Pauses (n = 895) | Sucks (n = 729) | Pauses (n = 712) | |
| Duration * (s) | 4.5 (2.7, 7.4) | 5.4 (2.7, 9.0) | 2.4 (1.3, 4.6) | 5.2 (2.4, 11.6) |
| (0.5, 52.4) | (0.5, 712.6) | (0.4, 132.8) | (0.6, 379.7) | |
| Sucking Events * (n) | 6 (3.8, 9) | - | 3 (1, 5) | - |
| (1, 54) | (1, 147) | |||
| Sucking Rate (n/min) | 88.0 (73.7, 102.6) | - | 77.6 (62.4, 96.6) | - |
| (19.0, 194.4) | (14.2, 191.2) | |||
| Vacuum (mmHg) | ||||
| Baseline | −31.1 (−60.0, −12.7) | - | −5.8 (−11.0, 0.1) | - |
| (−181.0, 12.4) | (−53.3, 14.3) | |||
| Mean * | −53.6 (−89.3, −31.5) | −23.9 (−48.8, −11.7) | −15.5 (−21.8, −8.9) | −5.1 (−11.0, −0.6) |
| (−199.3, 0.4) | (−185.1, 1.9) | (−77.6, 2.2) | (−79.6, 5.3) | |
| Peak | −106.2 (−153.0, −65.5) | - | −40.0 (−54.6, −27.1) | - |
| (−325.7, −9.6) | (−116.7, −3.1) | |||
| Vacuum Variability | ||||
| Baseline | 23.4 (17.3, 37.0) | - | 5.5 (4.4, 6.1) | - |
| (5.3, 47.3) | (1.4, 12.0) | |||
| Mean * | 26.2 (25.0, 41.6) | - | 9.3 (7.8, 10.5) | - |
| (11.2, 73.9) | (3.6, 18.9) | |||
| Peak | 50.0 (33.0, 60.7) | - | 25.4 (20.6, 29.3) | - |
| (18.9, 154.3) | (3.9, 39.4) | |||
* includes single sucks.