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Table 1 Baseline characteristics of patients stratified by frailty status according to the Clinical Frailty Scale and the FRAIL Scale

From: Frailty as a predictor of hospital length of stay after elective total joint replacements in elderly patients

 

Total patients (N = 87)

Clinical Frailty Scale

FRAIL Scale

  

Robust (n = 40)

Not robust (n = 47)

p-value

Robust (n = 13)

Not robust (n = 74)

p-value

Age (median (IQR))

72.0 (9.0

71.0 (8.0)

73.0 (11.0)

0.145

73.0 (6.0)

71.5 (9.0)

0.330

Gender (female) (%)

57 (65.5)

21 (52.5%)

36 (76.6%)

0.018

4 (30.8%)

53 (71.6%)

0.009

Disposition before surgery (%)

 

- Home with loved ones

50 (57.5%)

30 (75.5%)

20 (42.6%)

0.02

8 (61.5%)

42 (56.8)

1.00

Charlson comorbidity index (median (IQR))

4.0 (1.0)

4.0 (1.0)

5.0 (1.0)

0.273

5.0 (1.0)

4.0 (1.0)

0.239

Fully independent (%)

76 (87.4)

38 (95%)

38 (82.6%)

0.058

0

11 (14.9%)

0.205

BMI (mean ±SD)

30.5 ± 6.4

28.3 ± 4.7

32.3 ± 7.0

0.002

28.1 ± 3.1

30.9 ± 6.7

0.02

Baseline Hb (median (IQR))

135.0 (16.0)

139.0 (20.0)

134.0 (12.0)

0.109

146.0 (19.0)

134.0 (16.0)

0.004

  1. SD: standard deviation; BMI: body mass index; Hb: hemoglobin; IQR: interquartile range