Table 2.
Univariate survival analysis results using log-rank test
| Feature | P value |
|---|---|
| TNM stage (I versus II, III) | 0.073 |
| Subtype (type 1 versus type 2) | 0.009 |
| Skewness of length of major axis | 0.044 |
| Kurtosis of length of minor axis | 0.034 |
| Edge(14, 58) | 0.005 |
| Edge(58, 62) | 0.007 |
| Edge(16, 56) | 0.008 |
| Edge(21, 58) | 0.009 |
| Edge(15, 23) | 0.010 |
Note: For morphological and intensity features only the significant features are listed, and for the proposed BOEH features only the top five features with smallestP values are listed. The number of nucleus patterns is set to 64. Edge (14, 58) means the edge type with the 14th and 58th nucleus patterns as its end nodes, and the other pairs are listed in the same fashion.