TABLE 4.
The model improvement capability in three prognostic models.
| Year | Model 3 vs Model 1 | Model 2 vs Model 1 | ||||||
|---|---|---|---|---|---|---|---|---|
| NRI | IDI | NRI | IDI | |||||
| Value | p value | Value | p value | Value | p value | Value | p value | |
| 0.5 | 0.129 | 0.284 | 0.018 | 0.176 | −0.274 | 0.040 | −0.114 | 0.016 |
| 1.0 | 0.122 | 0.156 | 0.024 | 0.094 | −0.082 | 0.384 | −0.088 | 0.056 |
| 1.5 | 0.164 | 0.064 | 0.037 | 0.034 | −0.035 | 0.707 | −0.031 | 0.322 |
Model 1 represents the prognostic model with age, gender, IDH status, chemotherapy, and radiotherapy; Model 2 only comprises the expression of RCN1; Model 3 integration of model 1 and 2, including all factors (age, gender, IDH status, chemotherapy, radiotherapy, and the expression of RCN.