Frailty (score) | Before index date | After index date | Interaction (frailty*Period) | ||||
---|---|---|---|---|---|---|---|
% | Mean (Median, Q1-Q3) | Adjusted RR | % | Mean (Median, Q1, Q3) | Adjusted RR | Adjusted RR | |
 | Emergency Department (ED) visits | ||||||
Robust (ERA ≤ − 1) | 19.9 | 0.32 (0, 0–0) | REF | 31.4 | 0.55 (0, 0–1) | REF | 1.80 (1.65–1.96) |
Well (ERA 0:3) | 23.3 | 0.37 (0, 0–0) | 1.09 (1.00–1.20) | 35.8 | 0.64 (0, 0–1) | 1.20 (1.12–1.27) | 1.96 (1.89–2.04) |
Well/comorbidities (ERA 4:8) | 32.8 | 0.55 (0, 0–1) | 1.47 (1.35–1.61) | 45.8 | 0.91 (0, 0–1) | 1.63 (1.53–1.75) | 1.99 (1.92–2.06) |
Pre-frail (ERA 9:15) | 54.4 | 1.11 (0, 0–2) | 2.56 (2.33–2.81) | 55.1 | 1.24 (1, 0–2) | 2.06 (1.92–2.21) | 1.44 (1.38–1.51) |
Frail (ERA ≥16) | 75.3 | 2.03 (1, 1–1) | 4.12 (3.74–4.55) | 64.7 | 1.70 (1, 0–2) | 2.69 (2.50–2.90) | 1.17 (1.13–1.22) |
 | Primary care practitioner (PCP) visits | ||||||
Robust (ERA ≤ − 1) | 79.8 | 2.92 (2, 1–4) | REF1 | 81.8 | 3.19 (2, 1–4) | REF1 | 1.12 (1.09–1.14) |
Well (ERA 0:3) | 83.5 | 3.51 (3, 1–5) | 1.14 (1.11–1.18) | 84.3 | 3.69 (3, 1–5) | 1.12 (1.09–1.16) | 1.10 (1.09–1.11) |
Well/comorbidities (ERA 4:8) | 88.4 | 4.50 (4, 2–6) | 1.33 (1.29–1.37) | 85.1 | 4.38 (3, 1–6) | 1.26 (1.22–1.30) | 1.06 (1.05–1.07) |
Pre-frail (ERA 9:15) | 89.0 | 5.19 (4, 2–7) | 1.43 (1.38–1.48) | 82.3 | 4.54 (3, 1–6) | 1.26 (1.22–1.30) | 0.98 (0.97–1.00) |
Frail (ERA ≥16) | 88.9 | 5.87 (5, 2–8) | 1.53 (1.47–1.59) | 77.0 | 4.59 (3, 1–7) | 1.28 (1.23–1.32) | 0.93 (0.91–0.95) |
 | Number of hospital admissions | ||||||
Robust (ERA ≤ − 1) | 4.8 | 0.06 (0, 0–0) | N/A | 19.7 | 0.26 (0, 0–0) | REF | NA |
Well (ERA 0:3) | 6.9 | 0.09 (0, 0–0) | N/A | 23.5 | 0.32 (0, 0–0) | 1.26 (1.17–1.36) | NA |
Well/comorbidities (ERA 4:8) | 14.6 | 0.18 (0, 0–0) | N/A | 45.8 | 0.44 (0, 0–1) | 1.66 (1.53–1.80) | NA |
Pre-frail (ERA 9:15) | 43.0 | 0.58 (0, 0–1) | N/A | 39.6 | 0.61 (0, 0–1) | 1.96 (1.81–2.13) | NA |
Frail (ERA ≥16) | 67.0 | 1.16 (0, 0–2) | N/A | 27.9 | 0.87 (0, 0–1) | 2.34 (2.14–2.55) | NA |
 | Number of hospital days | ||||||
Robust (ERA ≤ − 1) |  | 0.0 (0,0–0) | N/A |  | 3.35 (0, 0–1) | REF | NA |
Well (ERA 0:3) |  | 0.0 (0, 0–0) | N/A |  | 5.74 (0, 0–3) | 2.15 (1.89–2.45) | NA |
Well/comorbidities (ERA 4:8) |  | 0.18 (0, 0–0) | N/A |  | 10.46 (0, 0–10) | 4.57 (4.00–5.22) | NA |
Pre-frail (ERA 9:15) |  | 4.22 (0, 0–4) | N/A |  | 14.76 (2, 0–17) | 5.48 (4.76–6.31) | NA |
Frail (ERA ≥16) |  | 12.54 (7, 0–17) | N/A |  | 21.80 (9, 0–29) | 7.57 (6.56–8.74) | NA |