Association between individual CCCs, TAs and GERD
| HR (95% CI) | P value | |
| Technology | ||
| Tracheostomy | 0.97 (0.69 to 1.35) | 0.851 |
| Evacuation tube | 0.94 (0.76 to 1.17) | 0.589 |
| Gastrostomy | 4.56 (4.15 to 5.00) | <0.001 |
| Renal support | 1.00 (0.75 to 1.32) | 0.980 |
| CCC | ||
| Cardiovascular | 1.25 (1.12 to 1.39) | <0.001 |
| Metabolic | 1.25 (1.09 to 1.42) | 0.001 |
| Neonatal | 1.14 (1.03 to 1.29) | 0.017 |
| Gastrointestinal | 1.23 (1.04 to 1.44) | 0.013 |
| Haemat/immunol | 1.37 (1.17 to 1.62) | <0.001 |
| Respiratory | 1.45 (1.25 to 1.68) | <0.001 |
| Malignancy | 1.35 (1.14 to 1.59) | <0.002 |
| Renal/urologic | 1.12 (0.96 to 1.30) | 0.147 |
| Genetic/congenital | 1.07 (0.98 to 1.18) | 0.149 |
CCC, complex, chronic conditions; GERD, gastro-oesophageal reflux disease; TA, technology assistance.