Table 1

Characteristics of the patients with reactive musculoskeletal symptoms

Patient 1Patient 2Patient 3Patient 4Patient 5
ReA, reactive arthritis; NA, data not available; DIP, distal interphalangeal joint of hand; PIP, peripheral interphalangeal joint of hand; MCP, metacarpophalangeal joint; MTP, metatarsophalangeal joint.
DiagnosisReactive enthesopathyReAReAReAReA
Age (years)1443404247
SexMaleFemaleMaleMaleFemale
Symptoms related to infection
    DiarrhoeaYesYesNoNoYes
    Abdominal painYesYesN.A.YesYes
    Fever (⩾37.5 °C)YesYesNoYesYes
Joint manifestation
    No of affected joints282527522
    Distribution of affected jointsMCP, DIP, and PIP of II–V fingers, knees, shouldersMCP and PIP of II–V fingers, right wrist, knees, hips, elbows, shouldersMTP, DIP and PIP of II–V toes, ankles, left kneeRight ankle, right knee, right shoulder, right elbow, right wristMTP, PIP, and DIP of right foot, knees, hips, ankles, DIP of left II finger
    Thoracic/back symptomBack and neck painSacroiliitisNoBack and neck painThoracic pain
    Other musculoskeletal symptomsAchilles tendon pain, heel painNoHeel painNoNo
    HLA-B27Not testedNot testedPositivePositivePositive
    Duration of joint symptoms (months)1>6>64½12>6
    Visit to a doctor for joint symptomsNoLocal doctor (by phone)Outpatient department of a hospitalRheumatological department of a hospitalPrivate rheumatologist