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Correlation analysis for PDX formation of HNSCC cases between biopsies and surgical specimen
| Spearman correlation | p Value | Correlation coefficienta |
|---|---|---|
| Sample type | 0.912 | 0.016 |
| Sample size | 0.300 | -0.154 |
| Age | 0.887 | 0.021 |
| Ischemia time | 0.808 | 0.036 |
| Ki-67 index | 0.770 | -0.043 |
a1 = perfect positive correlation; -1 = perfect negative correlation; 0 = no correlation
