Table 2

NOR-DMARD database: Pearson correlations between patient global assessment of disease activity and physician global assessment of disease activity and the four ASDAS scores as well as the BASDAI and the individual components at baseline (n = 197–618)

.	Patient global assessment	Physician global assessment
Back pain, morning stiffness, patient global, ESR, CRP	0.66	0.48
Back pain, morning stiffness, patient global, pain/swelling peripheral, ESR	0.71	0.54
Back pain, morning stiffness, patient global, pain/swelling peripheral, CRP	0.74	0.47
Back pain, morning stiffness, fatigue, ESR, CRP	0.58	0.44
BASDAI (0–10)	0.77	0.29
Physician’s global assessment (0–10)	0.30	–
BASDAI 1: fatigue (0–10)	0.56	0.10
BASDAI 2: back pain (0–10)	0.66	0.28
BASDAI 3: pain/swelling peripheral joints (0–10)	0.49	0.24
BASDAI 4: enthesitis (0–10)	0.57	0.26
BASDAI 5: severity morning stiffness (0–10)	0.58	0.22
BASDAI 6: duration morning stiffness (0–10)	0.41	0.14
BASDAI 5/6: morning stiffness (0–10)	0.53	0.19
ESR (mm/h)	0.15	0.36
CRP (mg/l)	0.18	0.38

BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate.