Table 7. Impact of frailty status from each frailty index on following experience of hospitalization.
| OR | 95% CI | ||
| KLoSHA index | |||
| Prefrail | 0.90 | 0.57–1.41 | |
| Frail | 2.13 | 1.04–4.35 | |
| CHS index | |||
| Prefrail | 1.44 | 0.87–2.39 | |
| Frail | 2.24 | 1.05–4.76 | |
| SOF index | |||
| Prefrail | 0.94 | 0.60–1.47 | |
| Frail | 1.43 | 0.68–3.01 |
Reference variable: Robust state of each frailty index.
Abbreviations: OR-odds ratio, 95% CI-95% confidence interval, KLoSHA-Korean Longitudinal Study on Health and Aging, CHS-Cardiovascular Health Study, SOF-Study of Osteoporotic Fracture.