Table 3.
Image quality by respiratory status before imaging
| Image | Quality | HFOV/JET | CPAP/NIPPV/HFNC | CMV | NC | Room air | P value |
|---|---|---|---|---|---|---|---|
| Posterior pole | Acceptable | 49 (73.1%) | 1710 (94.7%) | 799 (96.0%) | 2576 (96.8%) | 2485 (98.1%) | <0.001 |
| Poor/missing | 18 (26.9%) | 95 (5.3%) | 33 (4.0%) | 86 (3.2%) | 47 (1.9%) | ||
| Nasal retina | Acceptable | 45 (70.3%) | 1429 (79.2%) | 716 (86.1%) | 2191 (82.3%) | 2185 (86.3%) | <0.001 |
| Poor/missing | 22 (34.4%) | 376 (20.8%) | 116 (13.9%) | 471 (17.7%) | 347 (13.7%) | ||
| Temporal retina | Acceptable | 45 (67.2%) | 1694 (93.9%) | 794 (95.4%) | 2554 (95.9%) | 2457 (97.0%) | <0.001 |
| Poor/missing | 22 (32.8%) | 111 (6.1%) | 38 (4.6%) | 108 (4.1%) | 75 (3.0%) | ||
| Inferior retina | Acceptable | 37 (55.2%) | 1569 (86.9%) | 745 (89.5%) | 2434 (91.4%) | 2374 (93.8%) | <0.001 |
| Poor/missing | 30 (44.8%) | 236 (13.1%) | 87 (10.5%) | 228 (8.6%) | 158 (6.2%) | ||
| Superior retina | Acceptable | 47 (70.1%) | 1607 (89.0%) | 768 (92.3%) | 2491 (93.6%) | 2421 (95.6%) | <0.001 |
| Poor/missing | 20 (29.8%) | 198 (11.0%) | 64 (7.7%) | 171 (6.4%) | 111 (4.4%) | ||
| All retinal images | Acceptable | 223 (66.6%) | 8009 (88.7%) | 3822 (91.9%) | 12246 (92.0%) | 11922 (94.2%) | <0.001 |
| Poor/missing | 112 (33.4%) | 1016 (11.3%) | 338 (8.1%) | 1064 (8.0%) | 738 (5.8%) |
CMV, conventional mechanical vventilation; CPAP, continuous positive airway pressure; HFNC, high-flow nasal cannula; HFOV, high-frequency oscillator ventilation; JET, JET ventilation; NC, nasal cannula; NIPPV, nasal intermittent positive pressure ventilation.