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Multiple regression results for calculating ICT50
| Regression equation | No. of cases | Radical | P level of beta |
| ICT50 = 0.72546 − 0.06318 × R1 − 0.11207 × R3 − 0.01340 × R7 | 50 | R1 beta = −0.06 | P < 0.0001 |
| R3 beta = −0.11 | P < 0.0001 | ||
| R7 beta = −0.01 | P = 0.6384 |
Significance level of the contributions of groups (R1 and R3) is highlighted in bold (last two columns).
