Association between sarcopenia, physical performance and falls in patients with rheumatoid arthritis: a 1-year prospective study

Table 2 Sarcopenia assessment of responder sample (n = 238)

Variables	All responders		Non-Fallers		Fallers		p-value
	n	n (%)	n	n (%)	n	n (%)
Low handgrip strength, n, (%)^a	238	47 (19.7)	190	36 (18.9)	48	11 (22.9)	0.537
Low gait speed, n, (%)^a	238	11 (4.6)	190	7 (3.7)	48	4 (8.3)	0.17
High CRT time, n, (%)^a	238	17 (7.1)	190	14 (7.4)	48	3 (6.3)	0.788
Low muscle mass (ASM/h²), n, (%)^a	238	30 (12.6)	190	25 (13.2)	48	5 (10.4)	0.609
Low muscle mass (ASM/BMI), n, (%)^b	238	15 (6.3)	190	10 (5.3)	48	5 (10.4)	0.189
Sarcopenia (EWGSOP2)^a
No sarcopenia	238	180 (75.6)	190	145 (76.3)	48	35 (72.9)	0.593
Probable sarcopenia	238	47 (19.7)	190	37 (19.5)	48	10 (20.8)
Confirmed sarcopenia	238	11 (4.6)	190	8 (4.2)	48	3 (6.3)
Severe sarcopenia	238	0	190	0	48	0
Sarcopenia (FNIH)^b
No sarcopenia	238	231 (97.1)	190	185 (97.4)	48	46 (95.8)	0.574
Sarcopenia	238	7 (2.9)	190	5 (2.6)	48	2 (4.2)	0.574

Notes
^aaccording to cut-off-values by EWGSOP2: low grip strength: men < 27 kg, women < 16 kg; low gait speed < 0.8 m/s; high CRT time > 15 s; low muscle mass ASM/h²: men < 7 kg, women < 5,5 kg; sarcopenia classification: probable: low grip strength and/or high CRT time; confirmed: low grip strength and/or high CRT time and low ASM/h²; severe: low grip strength and/or high CRT time and low ASM/h² and low gait speed
^baccording to cut-off-values by FNIH: low muscle mass ASM/BMI: men< 0.789m², women< 0.512m² and low grip strength: men< 26 kg, women< 16 kg.

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