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Table 3 Association between frailty and healthcare services use

From: Frailty and health services use among Quebec seniors with non-hip fractures: a population-based study using adminsitrative databases

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

  1. RR Risk Ratio, REF Reference category