Additionally, although a recent study in the Veterans Affairs RA (VARA) registry (10.2% women) suggested that their observed lower likelihood of achieving DAS28-ESR remission in women versus men was driven by ESR and that ESR could be biased in sex studies due to the influence of sex on ESR [52]; the rheumatology guidelines do not distinguish between DAS28-ESR and DAS28-CRP [48]. Here, CRP is linked to rheumatoid arthritis.