Multivariate analysis of risk factors for re-attendance.
| Acute otitis media events | Glue ear events | |||||
|---|---|---|---|---|---|---|
| Reattendance | HR (95% CI) | P-value | Reattendance | HR (95% CI) | P-value | |
| Antibiotic prescribed at first event | ||||||
| No | 16 992/46 259 (37%) | 1 | 6666/29 671 (22%) | 1 | ||
| Yes | 83 987/208 728 (40%) | 1.09 (1.07 to 1.10) | <0.001 | 3563/20 097 (18%) | 0.92 (0.88 to 0.96) | <0.001 |
| Age at first event | ||||||
| <2 years | 31 899/50 304 (63%) | 2.55 (2.52 to 2.58) | <0.001 | 1156/4188 (28%) | 1.61 (1.51 to 1.71) | <0.001 |
| ≥2 years | 69 080/204 683 (34%) | 1 | 9073/45 580 (20%) | 1 | ||
| Sex | ||||||
| Female | 50 605/132 478 (38%) | 1 | 5127/26 031 (20%) | 1 | ||
| Male | 50 374/122 509 (41%) | 1.06 (1.05 to 1.07) | <0.001 | 5102/23 737 (21%) | 1.07 (1.03 to 1.11) | 0.001 |
| High prescribing GP surgery | ||||||
| No | 71 451/185 513 (39%) | 1 | 8119/38 566 (21%) | 1 | ||
| Yes | 29 528/69 474 (42%) | 1.09 (1.07 to 1.10) | <0.001 | 2110/11202 (19%) | 1.04 (0.99 to 1.10) | 0.112 |
| Index of multiple deprivation score | ||||||
| Low (2.16–13.47) | 34 776/84 901 (41%) | 1.05 (1.03 to 1.07) | <0.001 | 3555/16 386 (22%) | 1.13 (1.08 to 1.18) | <0.001 |
| Medium (13.48–30.34) | 33 383/84 235 (40%) | 1.07 (1.05 to 1.09) | <0.001 | 3474/16 593 (21%) | 1.18 (1.13 to 1.24) | <0.001 |
| High (>30.35) | 32 820/85 851 (38%) | 1 | 3200/16 789 (19%) | 1 | ||
| Referral within 1 month | ||||||
| None | 100 118/252 941 (40%) | 1 | 9578/47 868 (20%) | 1 | ||
| ENT/Audiology | 861/2046 (42%) | 1.52 (1.43 to 1.63) | <0.001 | 651/1900 (34%) | 1.97 (1.82 to 2.14) | <0.001 |
ENT = ear, nose and throat. HR = hazard ratio.