(I) Tumor grading | (J) Tumor grading | Mean difference (I-J) | Std. error | P value | 95% confidence interval | |
---|---|---|---|---|---|---|
Lower bound | Upper bound | |||||
Grade 1 | Grade 2 | 0.000428* | 0.000072 | < 0.001* | 0.000253 | 0.000602 |
Grade 3 | 0.000724* | 0.000063 | < 0.001* | 0.000572 | 0.000876 | |
Grade 2 | Grade 3 | 0.000296* | 0.000059 | < 0.001* | 0.000152 | 0.000441 |
Grade 3 | Grade 2 | − 0.000296* | 0.000059 | < 0.001* | − 0.000441 | − 0.000152 |