ALT	alanine aminotransferase
AS	ankylosing spondylitis
AST	aspartate aminotransferase
Cd-B	blood cadmium concentration
CI	confidence interval
COX-2	cyclooxygenase-2
CRE	creatinine
ESR	erythrocyte sedimentation rate
HCT	haematocrit
hs-CRP	high-sensitivity C-reactive protein
IA	inflammatory arthritis
IL-10	interleukin 10
MCH	mean corpuscular haemoglobin
MCHC	mean corpuscular haemoglobin concentration
MCV	mean corpuscular volume
n.s.	not statistically significant
OR	odds ratio
PLT	platelets
PsA	psoriatic arthritis
RA	rheumatoid arthritis
RBC	red blood cells
WBC	white blood cells
8-OHdG	8-hydroxy-2’-deoxyguanosine