Table 1 Summary of Quality assessment scores
Silva et al., 2008[2] | Foley et al., 2003[1] | Lund et al., 2008[27] | Fransen et al., 2007[7] | Wyatt et al., 2001[30] | Suomi & Collier,2003[22] | Eversden et al., 2007[23] | Gill et al., 2009[25] | Hall et al., 1996[21] | Smith et al., 1998[31] | |
|---|---|---|---|---|---|---|---|---|---|---|
1. eligibility criteria | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
2. random allocation | 1 drawing of lots | 1 computer generated | 1 opaque envelopes | 1 computer generated | 1 | 1 randomly assigned | 1 flipping virtual coin | 1 random numbers table | 1 random numbers table | 1 random allocation |
3. allocation concealed | 1 likely | 1 sealed opaque envelopes, | 1 baseline measures prior | 1 after baseline assessment | 0 not described | 0 unlikely | 1 sealed opaque envelopes | 1 sealed envelopes | 1 independent coordinator | 1 independent allocator |
4. baseline similarity | 1 VAS (pain), WOMAC | 1 Walk speed, ASE (pain) | 1 VAS (pain), KOOS ADLs | 1 WOMAC pain & function | 0 (1)no outcomes comparable | 1 ADLs & Pain comparable | 1 VAS (pain), EQ-SD | 1 WOMAC pain & function | 1 Knee ROM, AIMS2 | 1 Morning stiffness, HAQ |
5. patient blinding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
6. therapist blinding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
7. assessor blinding | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
8. adequate follow-up | 0 81% land | 0 (1)80% aquatic, 74% land | 0 (1)96% aquatic, 80% land | 1 93% aquatic, 89% Tai chi | 1 91% overall | 1 91% patients each group | 0 81% aquatic, 69% land | 1 86% land 89% aquatic | 1 94% overall | 0 92% aquatic, 75% land |
9. ITT analysis | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
10. between group comparisons reported | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 pre/post test | 1 |
11. post intervention point & variability measures | 1 means & SDs | 1 medians & IQR | 1 means & SDs | 1 means & SDs | 1 mean & SDs | 1 means & SDs | 1 medians & IQR | 1 means & SDs | 1 means & SDs | 1 means & SDs |
TOTAL | 7/10* | 7/10 (8) | 7/10 (8) | 8/10* | 5/10 (6) | 5/10* | 7/10* | 7/10* | 6/10* | 6/10* |