Table 3

Methodological criteria and quality: recent and additional RCT

First author123456789101112Total score
Buchbinder13+++NA++++++++11 (100%)
Calis22+++++±±+6 (50%)
Carette23++++++++++10 (83%)
Cheing56±±±±++±+±±±+4 (33%)
Dahan56+++++++±+8 (67%)
Guler-Uysal42+±++±++±++7 (58%)
Johnson9++±+++++7 (58%)
Jones58+±++++NA+6 (55%)
Kanai59±±±±±+++++NA+7 (58%)
Karatas57±±+++++NA+6 (55%)
Kivimäki5+++±+++6 (50%)
Morgan55±±±±+++±NA+4 (33%)
Parareya45+±±++++5 (42%)
Ryans24++±+±+++++9 (75%)
Stergioulas40++++++±++±±+9 (75%)
Tveitå36++++++NA+7 (64%)
Vermeulen43++±+++++++9 (75%)
Yang44+±++++++7 (58%)
  • RCT, randomised clinical trial.