Number and % of successful tests within each test occaison
| Early Infancy | Mid Infancy | Late Infancy | |
| Age Median (Range) | 0.47(0.23,0.76) | 1.04(0.68, 1.97) | 1.62(0.78,2) |
| N | 99 | 176 | 80 |
| MBW | N Attempted; Acceptable (% of attended) | ||
| ≥2 trials | 99;99 (100) | 176;174 (98.9) | 80;77 (96.3) |
| ≥3 trials | 99;87 (97.9) | 176;151 (85.8) | 80;63 (78.8) |
| Pleth | 94;82 (82.8) | 153;144 (81.8) | 64;56 (70) |
| RVRTC | 68;56 (56.6) | 113;98 (55.7) | 48;39 (48.8) |