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Table 1 Baseline characteristics of baseline sample, the subsample used for the 3 months post discharge (T1) analyses, and the subsample used for the twelve months post discharge (T2) analyses

From: Reproducibility and responsiveness of the Frailty Index and Frailty Phenotype in older hospitalized patients

Baseline characteristics

Baseline sample

T1 sample

T2 sample

 

(n = 243)

(n = 192)

(n = 187)

Age, median (IQR 25;75)

76 (72;81)

76 (72;81)

76 (73;81)

  range (years)

70–98

70–98

70–98

Sex, male

165 (68)

132 (69)

129 (69)

Housing situation

  independent

225 (93)

179 (93)

173 (93)

  not independent

18 (8)

13 (7)

14 (8)

Education

  ≤ high school

173 (71)

140 (73)

132 (71)

  > high school

70 (29)

52 (27)

55 (29)

CCI, median (IQR 25;75)

2 (1; 4)

2 (1; 4)

2 (1; 4)

Frailty Index

  median (IQR 25;75)

0.18 (0.08; 0.31)

0.17 (0.08; 0.30)

0.18 (0.08; 0.31)

  lowest possible score

0 (0)

0 (0)

0 (0)

  highest possible score

0 (0)

0 (0)

0 (0)

Frailty Phenotype

  median (IQR 25;75)

1.00 (0; 2.00)

1.00 (0; 2.00)

1.00 (0; 2.00)

  robust (0 criteria)

97 (40)

81 (42)

74 (40)

  prefrail (1 or 2 criteria)

88 (36)

69 (36)

68 (36)

  frail (≥ 3 criteria)

47 (19)

38 (20)

37 (20)

  lowest possible score

97 (40)

81 (42)

74 (40)

  highest possible score

4 (2)

3 (2)

4 (2)

  1. Notes: Values are presented as numbers and percentage (%) unless indicated otherwise. Percentages may not equal 100 % due to rounding and missing. CCI, Charlson Comorbidity Index; IQR, inter quartile range