Table 3.

Body composition, overfat and sarcopenia according to the body fat normality curves measured by DXA

	PsA	Ps	Control	P
	N = 45	N = 52	N = 98
TLM (kg)	35.28 ± 3.96	37.45 ± 5.32	35.93 ± 4.81	0.06
TBF (%)	46 ± 5.7*	43.8 ± 6.2	43.4 ± 5.5	0.04
Within normality (%)	15.6†‡	34.6	37.8	0.02
Above normality (%)	84.4†‡	65.4	62.2	0.02
Overfat (%)	86.7 || §	61.5	58.2	0.03
Sarcopenia (%)	11.1	5.8	6.1	0.50
Obesity-sarcopenia (%)	11.1	3.8	4.1	0.19

DXA, dual X-ray absorptiometry; Ps, psoriasis; PsA,: psoriatic arthritis; TBF, total body fat; TLM, total lean mass.

*P = 0.03 (PsA vs. control)

^†P < 0.05(PsA vs Ps)

^‡P < 0.05 (PsA vs control)

^§ P < 0.01 (PsA vs. Ps)

^|| P < 0.01 (PsA vs. control)