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Various studies showing different cut-off values for strain ratio
| Study | Year | SR Cut off value |
|---|---|---|
| Thomas et al. | 2010 | 2.45 |
| Gheonea et al. | 2011 | 3.65 |
| Barr et al. | 2012 | 4.80 |
| Alhabshi et al. | 2013 | 5.60 |
| Liu et al. | 2014 | 4.15 |
| Menezes et al. | 2015 | 4.72 |
| Bojanic et al. | 2017 | 3.50 |
| Yilmaz et al. | 2017 | 4.25 |
