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Table 1 Baseline characteristics

From: The impact of primary total hip and knee replacement on frailty: an observational prospective analysis

Characteristics

Total (n = 101)

Pre-frail (n = 50)

Frail (n = 51)

Female n (%)

71 (70.30)

29 (58.00)

42 (82.35)

Age y, mean ± SD

78.52 ± 4.51

76.98 ± 4.20

80.04 ± 4.33

BMI kg/m² mean ± SD

28.99 ± 4.74

28.10 ± 4.14

29.86 ± 5.16

Medication n mean ± SD

7.70 ± 3.78

7.10 ± 3.82

8.29 ± 3.67

Comorbidities n mean ± SD

7.53 ± 3.13

7.50 ± 2.98

7.57 ± 3.31

CCI mean ± SD

5.45 ± 1.94

5.16 ± 1.96

5.73 ± 1.89

NRS score (0–7) mean ± SD

1.28 ± 0.78

1.20 ± 0.61

1.35 ± 0.91

Barthel Index (0-100) mean ± SD

92.03 ± 12.47

95.90 ± 5.41

88.24 ± 15.90

IADL score (0–8) mean ± SD

6.69 ± 1.67

7.26 ± 1.24

6.14 ± 1.85

SPPB score (0–12) mean ± SD

6.66 ± 2.64

8.36 ± 2.01

5.00 ± 2.08

MMSE score (0–30) mean ± SD

26.95 ± 2.34

27.22 ± 2.25

26.69 ± 2.42

GDS-15 score (0–15) mean ± SD

3.49 ± 2.92

2.90 ± 2.87

4.06 ± 2.89

  1. BMI, Body Mass Index; CCI, Charlson Comorbidity Index; NRS, Nutritional Risk Screening; IADL, Instrumental Activities of Daily Living; SPPB, Short Physical Performance Battery; MMSE, Mini-Mental State Examination; GDS, Geriatric Depression Scale.