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| Visit | Mean | Standard Deviation | Kappa value | P value for paired t-test in comparison to the values ‘at presentation’ | 95% Confidence Interval |
|---|---|---|---|---|---|
| At presentation | 664 | 149.5 | 0.94 | Not applicable | |
| 1st Follow-up | 462.3 | 188.7 | 0.96 | 0.00 | (132.25, 271.23) |
| 2nd Follow-up | 408.1 | 193.6 | 0.96 | 0.00 | (164.89, 374.06) |
