Table 4.3Function

StudyPatient groupUseClinical features
1 case-series19
Level 3
Early IAPredictive for referral and RA diagnosisPredictive: limitations when clenching the hands completely to a fist (referral LR 6.1, p=0.013, diagnosis LR 10.3, p=0.001) as well as limitations of finger flexion (data not given)
Not predictive: general questions on every day function
1 case-series23
Level II
Very early persistent IACommon features presentPositive squeeze test of the MCP joints (68%)
1 case-series25
Level Ib
Early IADistinguish IA from non-IA conditions (features GPs and RNs* deemed most important)Not distinguish: loss of function and reduced range of movement

RNs = rheumatology nurses

From: 4, Referral, diagnosis and investigations

Cover of Rheumatoid Arthritis
Rheumatoid Arthritis: National Clinical Guideline for Management and Treatment in Adults.
NICE Clinical Guidelines, No. 79.
National Collaborating Centre for Chronic Conditions (UK).
Copyright © 2009, Royal College of Physicians of London.

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