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Table 2 Patient characteristics at the time of visit

From: The impact of sarcopenia on low back pain and quality of life in patients with osteoporosis

 

Sarcopenia (N = 32)

Non-sarcopenia (N = 68)

p

 

Median (IQR)

Range (min-max)

Median (IQR)

Range (min-max)

 

Age

81.5 (74.5-87.8)

63-97

71.5 (68.3-80.0)

60-91

0.0001

Sex (female/male)

28/4

 

60/8

 

0.9159

BMI (kg/m2)

20.7 (18.8-23.1)

14.3-26.3

22.5 (20.7-24.7)

17.5-32.2

0.0072

SMI (kg/m2)

5.1 (4.7-5.5)

4.2-6.8

6.1 (5.7-6.7)

4.9-7.9

<.0001

BMD (femoral neck)

0.50 (0.42-0.56)

0.38-0.83

0.56 (0.50-0.64)

038-0.90

0.0079

Knee extension torque (kgf/kg)

11.7 (6.4-15.8)

3.4-20.3

17.1 (13.1-21.5)

3.9-46.3

<.0001

History of vertebral fracture (N)

19(55.88%)

 

14(20.89%)

 

0.0004

Adult spinal deformity (N)

14(43.75%)

 

12(17.91%)

 

0.0063

Pelvic Tilt (°)

29.0 (21.2-37.8)

8.7-57.0

22.0 (16.0-28.0)

4.0-39.7

0.005

Lumbar Lordosis (°)

36.0 (26.3-49.8)

12.0-68.0

43.0 (36.0-52.9)

3.0-79.0

0.0445

Pelvic Incidence (°)

54.0 (49.0-68.5)

38.0-91.0

55.0 (50.0-61.0)

34.0-85.0

0.6614

Sacral Slope (°)

28.0 (23.3-36.8)

13.0-56.2

33.2 (27.0-40.0)

2.0-54.0

0.0441

  1. Abbreviations: BMI body mass index, BMD bone mineral density, SMI skeletal muscle mass, VAS Visual Analogue Scale