| Term ↑ | Term Count | Mean Age | Cox Coef | Pearson (r) |
|---|---|---|---|---|
| covered | 3232 | 43.2224 | -0.15893747897987 | 0.0134033889194777 |
| cracked | 71 | 38.9560 | -0.0802482790031389 | -0.0048928434488094 |
| cross section | 794 | 37.8139 | -0.585382452845883 | -0.0226125921632372 |
| cross-striped | 3702 | 44.3288 | -0.176913403629065 | 0.0276033585288108 |
| cross-striped | 620 | 43.7097 | -0.199019399008103 | 0.0080506440416426 |
| crust | 124 | 51.9976 | 0.47400574408768 | 0.0211137898193107 |
| crypt | 1374 | 48.8888 | -0.524638277080243 | 0.0489231618080467 |
| crypts | 10273 | 41.1989 | -0.452155188377095 | -0.0172805537873379 |
| cs | 65 | 41.0104 | 0.418005476256708 | -0.0015370275743951 |
| current | 124 | 49.8752 | -0.677037230460924 | 0.016624912746231 |