Baseline patient reported outcomes are more consistent predictors of long-term functional disability than laboratory, imaging or joint count data in patients with early inflammatory arthritis: A systematic review.

Baseline HAQ score was the only variable that was shown to be associated with higher HAQ score at follow-up consistently across all studies assessing the relationship (with nine studies reporting a significant association and one study trending towards significance).

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Patient reported outcomes Nine (7 multivariable) of the 10 studies that investigated the relationship reported a positive association between higher disability at baseline and higher disability at long-term follow-up, whilst the remaining multivariable analysis approached significance ( Table 4 ).

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