Table 2.

Prevalence of Chronic Pain, Neuropathic Pain, Anxiety, Depression and Comorbidity in Seropositive and Seronegative PSS Patients

Variable	Seropositive		Seronegative		Difference (95% CI)	p-value
	N	Mean (sd) or N (%)	N	Mean (sd) or N (%)
Total	68		40
Patient Reported Outcome
Fatigue	68	48 (70.59%)	40	33 (82.50%)	−11.91 (−29.90, 6.07)	0.250
Pain (Moderate to Severe)	68	24 (35.29%)	40	27 (67.50%)	−32.21 (−52.62, −11.79)	0.002
Neuropathic Pain	68	25 (36.76%)	40	16 (40.00%)	−3.24 (−24.24, 17.77)	0.897
Chronic Pain	65	42 (64.62%)	40	30 (75.00%)	−10.38 (−30.16, 9.39)	0.370
Anxiety	68	18 (26.47%)	40	7 (17.50%)	8.97 (−8.78, 26.72)	0.406
Depression	68	9 (13.24%)	40	5 (12.50%)	0.74 (−13.04, 14.51)	1.000
SIQR ≥ 40	59	23 (38.98%)	37	21 (56.76%)	−17.77 (−40.21, 4.67)	0.136
History of Comorbidity
Neuropathy	59	19 (32.20%)	37	16 (43.24%)	−11.04 (−33.16, 11.08)	0.381
Sleep Disorder	63	19 (30.16%)	35	18 (51.43%)	−21.27 (−43.56, 1.02)	0.062
Fibromyalgia	63	11 (17.46%)	40	13 (32.50%)	−15.04 (−34.36, 4.28)	0.128
Depression	62	32 (51.61%)	37	18 (48.65%)	2.96 (−19.54, 25.47)	0.938