Work productivity and activity in patients with SAPHO syndrome: a cross-sectional observational study

Table 2 Spearman rank correlation coefficients between WPAI outcomes and other scores

	Absenteeism	Presenteeism	Work productivity loss	Activity impairment
Sample size	201	201	201	376
VAS pain score	0.24 ^*	0.54 ^**	0.49 ^**	0.59^**
PSQI	0.23 ^*	0.57 ^**	0.53 ^**	0.58^**
CES-D	0.25 ^*	0.59 ^**	0.55 ^**	0.61^**
FSS	0.27 ^*	0.61 ^**	0.56 ^**	0.66^**
BASDAI	0.26^*	0.60 ^**	0.55 ^**	0.67^**
BASFI	0.24 ^*	0.58 ^**	0.51 ^**	0.68^**
EQ-5D	-0.25 ^*	-0.55 ^**	-0.51 ^**	-0.66 ^**
HAQ-S	0.21 ^*	0.48 ^**	0.43 ^**	0.64 ^**
ASQOL	0.27 ^*	0.63 ^**	0.57 ^**	0.69 ^**
SF-36 PCS	-0.29 ^*	-0.67 ^**	-0.61 ^**	-0.75 ^**
SF-36 MCS	-0.29 ^*	-0.48 ^**	-0.49 ^**	-0.50 ^**

VAS, Visual Analogue Scale; PSQI, Pittsburgh Sleep Quality Index; CES-D, Center for Epidemiological Studies Depression; FSS, Fatigue Severity Scale; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; EQ-5D, EuroQol-5 Dimension questionnaire; HAQ-S, Health Assessment Questionnaire for the Spondyloarthropathies; ASQOL, Ankylosing Spondylitis Quality of Life Questionnaire; SF-36, Short-Form 36 Health Survey; PCS, physical component summary; MCS, mental component summary
* P < 0.01
** P < 0.001 (Bonferroni-adjusted α-level)

ISSN: 1750-1172