Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 9 Independent samples test
|  | Levene’s test for equality of variances | t test for equality of means | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
F | Sig. | T | df | Sig. (two-tailed) | Mean difference | SED | 95% Confidence interval of the difference | |||
Lower | Upper | |||||||||
FIM score | Equal variances assumed | 0.589 | 0.448 | −4.792 | 38 | 0.000 | −14.00 | 2.922 | −19.915 | −8.085 |
|  | Equal variances not assumed |  |  | −4.792 | 37.727 | 0.000 | −14.00 | 2.922 | −19.916 | −8.084 |