Table 1.
Adjusted incidence rate ratio of change in radiological service utilisation by Australian people aged 65 years and older overall and by age and sex group during two periods: 2009–10 to 2013–14 and 2014–15 to 2018–19
| Overall | Females | Males | |||||
|---|---|---|---|---|---|---|---|
| ≥ 65 years | 65–74 years | 75–84 years | ≥ 85 years | 65–74 years | 75–84 years | ≥ 85 years | |
| Radiology | |||||||
| Total chest | |||||||
| 2010–2014 | 1.04 (1.02–1.05) | 1.00 (0.99–1.02) | 1.02 (1.02–1.03) | 1.05 (1.04–1.06) | 1.00 (0.98–1.01) | 1.02 (1.01–1.03) | 1.13 (1.12–1.14) |
| 2015–2019 | 0.99 (0.98–1.00) | 0.98 (0.97–0.99) | 0.99 (0.98–0.99) | 1.01 (1.00–1.02) | 0.98 (0.97–0.98) | 0.98 (0.97–0.98) | 1.01 (1.00–1.03) |
| Lung | |||||||
| 2010–2014 | 1.04 (1.02–1.05) | 1.00 (0.99–1.02) | 1.03 (1.02–1.03) | 1.05 (1.04–1.06) | 1.00 (0.98–1.01) | 1.02 (1.01–1.03) | 1.13 (1.12–1.14) |
| 2015–2019 | 0.99 (0.98–1.00) | 0.98 (0.97–0.99) | 0.99 (0.98–0.99) | 1.01 (1.00–1.02) | 0.98 (0.97–0.98) | 0.98 (0.97–0.98) | 1.01 (1.00–1.03) |
| GI-tract | |||||||
| 2010–2014 | 1.04 (1.03–1.05) | 1.01 (1.00–1.02) | 1.04 (1.03–1.06) | 1.06 (1.05–1.06) | 0.99 (0.98–1.01) | 1.03 (1.01–1.05) | 1.12 (1.11–1.13) |
| 2015–2019 | 0.97 (0.96–0.99) | 0.93 (0.91–0.95) | 0.98 (0.97–0.99) | 1.01 (1.00–1.02) | 0.96 (0.95–0.97) | 0.96 (0.96–0.97) | 1.01 (1.00–1.02) |
| Total extremities | |||||||
| 2010–2014 | 1.06 (1.05–1.08) | 1.04 (1.02–1.05) | 1.05 (1.05–1.06) | 1.06 (1.05–1.07) | 1.03 (1.01–1.04) | 1.06 (1.04–1.07) | 1.15 (1.13–1.17) |
| 2015–2019 | 1.02 (1.02–1.02) | 1.01 (1.00–1.02) | 1.02 (1.01–1.02) | 1.03 (1.02–1.03) | 1.02 (1.02–1.02) | 1.01 (1.00–1.02) | 1.03 (1.03–1.04) |
| Upper extremities | |||||||
| 2010–2014 | 1.06 (1.05–1.08) | 1.04 (1.02–1.05) | 1.06 (1.05–1.06) | 1.06 (1.05–1.08) | 1.03 (1.02–1.05) | 1.05 (1.04–1.07) | 1.15 (1.12–1.17) |
| 2015–2019 | 1.03 (1.02–1.03) | 1.01 (1.01–1.02) | 1.02 (1.02–1.03) | 1.03 (1.03–1.04) | 1.02 (1.01–1.02) | 1.02 (1.02–1.03) | 1.05 (1.04–1.06) |
| Lower extremities | |||||||
| 2010–2014 | 1.07 (1.05–1.08) | 1.04 (1.02–1.05) | 1.06 (1.05–1.07) | 1.07 (1.06–1.08) | 1.03 (1.01–1.04) | 1.06 (1.05–1.08) | 1.16 (1.14–1.18) |
| 2015–2019 | 1.02 (1.01–1.02) | 1.01 (1.00–1.01) | 1.02 (1.01–1.02) | 1.03 (1.02–1.04) | 1.03 (1.02–1.03) | 1.00 (0.99–1.02) | 1.03 (1.02–1.03) |
| Total hip joint | |||||||
| 2010–2014 | 1.07 (1.06–1.09) | 1.05 (1.03–1.07) | 1.07 (1.06–1.08) | 1.07 (1.06–1.08) | 1.03 (1.01–1.04) | 1.06 (1.04–1.07) | 1.16 (1.14–1.19) |
| 2015–2019 | 1.03 (1.02–1.03) | 1.02 (1.01–1.03) | 1.03 (1.02–1.03) | 1.02 (1.01–1.03) | 1.03 (1.02–1.04) | 1.02 (1.02–1.03) | 1.04 (1.03–1.04) |
| Pelvis | |||||||
| 2010–2014 | 1.10 (1.08–1.12) | 1.08 (1.06–1.11) | 1.11 (1.09–1.12) | 1.11 (1.09–1.12) | 1.04 (1.03–1.06) | 1.09 (1.07–1.10) | 1.19 (1.17–1.22) |
| 2015–2019 | 1.04 (1.04–1.05) | 1.04 (1.03–1.06) | 1.05 (1.04–1.06) | 1.04 (1.03–1.05) | 1.05 (1.03–1.06) | 1.04 (1.03–1.05) | 1.05 (1.05–1.06) |
| Hip fractures | |||||||
| 2010–2014 | 1.01 (1.00–1.02) | 1.02 (1.00–1.04) | 1.01 (1.01–1.02) | 0.99 (0.97–1.00) | 1.01 (0.99–1.02) | 1.01 (1.00–1.02) | 1.03 (1.00–1.05) |
| 2015–2018 | 1.01 (1.00–1.01) | 1.01 (0.99–1.03) | 1.01 (1.00–1.01) | 0.98 (0.97–0.99) | 1.02 (1.00–1.04) | 1.01 (0.99–1.04) | 1.00 (0.99–1.02) |
| Hip surgeries | |||||||
| 2010–2014 | 1.03 (1.02–1.04) | 1.04 (1.01–1.06) | 1.03 (1.02–1.04) | 1.01 (1.00–1.03) | 1.01 (0.99–1.02) | 1.02 (1.01–1.03) | 1.08 (1.05–1.11) |
| 2015–2018 | 1.02 (1.01–1.03) | 1.01 (0.99–1.04) | 1.03 (1.03–1.04) | 1.03 (1.01–1.05) | 1.02 (1.00–1.04) | 1.02 (0.99–1.05) | 1.02 (1.00–1.04) |
Abbreviations: GI gastro-intestinal
Note: All estimates were adjusted by age and gender and 95% confidence intervals are given in parentheses. Total chest = Lung + other thoracic examinations, Total extremities = Upper extremities + Lower extremities, Total hip joint = Hip + Pelvis, Hip fractures = all hip repairs associated with fractures as presented in the MBS and ACHI systems, and Hip surgeries = hip repairs not associated with fractures as presented in the MBS and ACHI systems