Table 1.

Characteristics of studies included.

StudyCountry of StudySample SizeNo. of JointsNo. of AssessorsBlindingReliabilityaTJCSJC
Heegaard, 201316*Denmark31281YBothYY
El Miedany, 201017*UK8228UUBothYN
Levy, 200718*US60281YInterYY
Wong, 199919*Worldwide60· Mannequin: 50 TJCs, 48 SJCs
· Text: 20 TJCs, 18 SJCsUYInterYY
Hanly, 199620*Canada61204YInterYY
Prevoo (Site 1), 199621*Netherlands14128UUInterYY
Prevoo (Site 2), 199621*Netherlands10128UUInterYY
Abraham, 199322*US3250 clinician; 42 patient1YInterYN
Radner, 201211Austria209283YInterYY
Janta, 201312Spain102281YInterYY
Amaya-Amaya, 201223Colombia13528UYInterYY
Cheung, 201024France50282YInterYY
Figueroa, 200725*US8258 clinician; 60 patient3UInterYY
Kavanaugh, 201013US44728UYInterYY
Riazzoli, 201026*Sweden47281UInterYY
El Miedany and Palmer, 200827UK14828UUInterYN
Alarcón, 199914US67361YInterYN
Calvo, 199928*Peru60361UInterYN
Greenwood, 200629*UK45281UInterYY
Inderjeeth, 201930*Australia5228UYInterYY
Houssien, 199931*UK100281YInterYY
  • aReliability denotes whether studies compared patient joint counts to clinician joint counts (inter); in addition, some studies also compared intrapatient joint counts (both).

  • * Included in metaanalysis. SJC: swollen joint count; TJC: tender joint count; N: No; U: Unknown; Y: Yes.