Table 5 Subgroup analysis.

From: Longitudinal study of central sensitization and chronic low back pain in a Japanese cohort during the COVID-19 pandemic

Subgroup

Sample size

Prevalence of CLBP (%)

Mean CSI score (SD)

Age (years)

 < 65

80

28

16.2 (10.9)

65–74

100

32

17.5 (11.8)

Age ≥ 75

47

36

18.1 (12.0)

Male

79

30

16.8 (11.5)

Female

148

33

17.3 (11.7)

BMI (kg/m2)

 < 25

150

30

16.5 (11.4)

 ≥ 25

77

34

17.9 (11.8)

  1. CLBP chronic low back pain, CSI Central Sensitization Inventory, SD standard deviation.
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