Table 1.
Statistical method used | Number of methods used according to year of publication | |||
---|---|---|---|---|
1. Intra-class correlation coefficient 2. Compare means/ mean difference 3. Bland- Altman limits of agreement 4. Correlation coefficient |
2007 6 5 5 2 |
2008 5 2 0 0 |
2009 14 1 2 0 |
Total 25 8 7 2 |