Incidence, risk factors, and correlation with organ involvement of psychological disorders in patients with Sjögren’s syndrome

Table 3 Comparison of organ involvement rates between psychological disorder and non-psychological disorder groups

Organ involvement	Psychological disorder group (n = 156) (%)	Non-psychological disorder group (n = 130) (%)	P value
Arthritis/arthralgia	56.4	38.5	0.003
Parotid gland swelling	42.3	26.9	0.009
Hematological abnormalities	31.4	18.5	0.008
Tubulointerstitial nephritis	18.6	9.2	0.015
Interstitial lung disease	18.5	13.8	0.002
Peripheral neuropathy	16.8	7.8	0.002
Cutaneous vasculitis	15.4	6.9	0.019

P < 0.05 for all comparisons between groups.