Table 1. Characteristics of patients.

Data are presented as mean ± standard deviation (SD).

BMI, body mass index; TUG, timed up and go test; TCZ, tocilizumab; IFX, infliximab; GLM, golimumab; ETN, etanercept; ABT, abatacept; CRP, C-reactive protein

	N = 68
Age (years)	67.8 ± 11.5
Male: female (n)	0: 68
Disease duration (years)	21.9 ± 12.9
Weight (kg)	48.9 ± 8.2
BMI (kg/m2)	21.4 ± 3.4
Steinbrocker stage (I / II / III / IV) (n)	0 / 9 / 14 / 45
Steinbrocker class (I / II / III / IV) (n)	0 / 42 / 26 / 0
DAS28-CRP score	2.82 ± 0.94
Prednisolone usage (%)	47.1
Prednisolone dosage (mg/day)	1.68 ± 2.29 (0 – 10)
Methotrexate usage (%)	67.6
Biologics usage (%)	27.9
Biologics (n)	TCZ: 6, IFX: 3, GLM: 1, ETN: 4, ABT: 5
TUG average time (seconds)	13.9 ± 11.0