Association between evidence-based management and Hospitalisation
| Variable N (%) | Hospitalisation N=806 | No hospitalisation N=1550 | Bivariate OR (95% CI) | Multivariable OR (95% CI) | P value |
| Evidence-based management | 337 (41.8) | 799 (51.6) | 0.57 (0.46 to 0.71) | 0.77 (0.60 to 0.98) | 0.03 |
| Oxygen saturation*† (%) | 96.6±4.0 | 97.6±2.1 | 1.35 (1.30 to 1.41) | 1.31 (1.25 to 1.37) | <0.0001 |
| Nasal flaring/grunting | 211 (26.2) | 155 (10.0) | 3.69 (2.82 to 4.84) | 2.60 (1.92 to 3.51) | <0.0001 |
| Apnoea | 79 (9.8) | 44 (2.8) | 3.99 (2.60 to 6.12) | 4.34 (2.61 to 7.21) | <0.0001 |
| Chest retractions | 716 (92.3) | 993 (71.7) | 4.94 (3.59 to 6.81) | 3.32 (2.36 to 4.67) | <0.0001 |
| Poor feeding | 541 (67.1) | 753 (48.6) | 2.47 (2.01 to 3.03) | 1.87 (1.46 to 2.38) | <0.0001 |
| Country | 0.85 | ||||
| Canada | reference | reference | |||
| USA | 1.78 (0.52 to 6.11) | 1.67 (0.46 to 5.98) | 0.36 | ||
| Australia/New Zealand | 1.92 (0.52 to 7.12) | 1.96 (0.50 to 7.63) | 0.33 | ||
| UK/Ireland | 1.00 (0.28 to 3.55) | 1.49 (0.40 to 5.57) | 0.99 | ||
| Spain/Portugal | 1.92 (0.30 to 12.15) | 2.49 (0.37 to 16.91) | 0.49 | ||
Data are n (%).
*Mean (±SD).
†For every 1% decrease in saturation below 100%, multivariable odds of hospitalisation increased by 31%.