Table 4.

Correlation of each item of the BCSI with clinical symptoms in patients with SS.

	Item 1	Item 2	Item 3	Item 4	Item 5	Item 6	Composite BCSI Score
Fatigue severity	0.44^**	0.45^**	0.54^**	0.54^**	0.48^**	0.46^**	0.59^**
Sleep quality	0.52^**	0.48^**	0.37^**	0.31^**	0.34^**	0.25^*	0.45^**
Pain severity	0.47^**	0.54^**	0.60^**	0.56^**	0.48^**	0.30^**	0.60^**
Pain interference	0.59^**	0.60^**	0.63^**	0.57^**	0.54^**	0.30^*	0.65^**
SF-12 physical	–0.36^**	–0.42^**	–0.47^**	–0.49^**	–0.34^**	–0.16	–0.44^**
SF-12 mental	–0.55^**	–0.59^**	–0.53^**	–0.36^**	–0.55^**	–0.42^**	–0.60^**
HADS–anxiety	0.55^**	0.56^**	0.49^**	0.33^**	0.38^**	0.33^**	0.53^**
HADS–depression	0.47^**	0.47^**	0.43^**	0.43^**	0.53^**	0.44^**	0.59^**

↵* Significant at 0.05.
↵** Significant at 0.01. BCSI: Brief Cognitive Symptoms Inventory; SS: Sjögren syndrome; SF-12: Medical Outcomes Study Short-Form health survey; HADS: Hospital Anxiety and Depression Scale.