12 April 2022 : Clinical Research
Development and Validation of a Nomogram for Predicting Postoperative Distant Metastasis in Patients with Cervical Cancer
Weihong Zeng1ABCDE, Lishan Huang1BCD, Haihong Lin1BCD, Ru Pan1BCD, Haochang Liu1BCD, Jizhong Wen1BCD, Ye Liang1BCD, Haikun Yang1AE*DOI: 10.12659/MSM.933379
Med Sci Monit 2022; 28:e933379
Table 1 Baseline characteristics of study populations [n (%)/M (Q1, Q3)].
| Variables | Training set (n=4495) | Internal validation set (n=1926) |
|---|---|---|
| Age at diagnosis (years), Mean±SD | 47.15±12.42 | 46.63±12.29 |
| Histologic type, n (%) | ||
| Squamous cell carcinoma | 2543 (56.57) | 1050 (54.52) |
| Adenocarcinoma | 783 (17.42) | 368 (19.11) |
| Adenosquamous carcinoma | 226 (5.03) | 93 (4.83) |
| Others | 943 (20.98) | 415 (21.55) |
| Grade, n (%) | ||
| I | 2033 (45.23) | 827 (42.94) |
| II | 1486 (33.06) | 646 (33.54) |
| III | 115 (2.56) | 48 (2.49) |
| IV | 861 (19.15) | 405 (21.03) |
| Treatment, n (%) | ||
| Surgery | 2454 (54.59) | 1012 (52.54) |
| Surgery + chemotherapy | 164 (3.65) | 66 (3.43) |
| Surgery + radiotherapy | 482 (10.72) | 211 (10.96) |
| Surgery + radiotherapy + chemotherapy | 1395 (31.03) | 637 (33.07) |
| CS met at DX, n (%) | ||
| No | 4305 (95.77) | 1853 (96.21) |
| Yes | 190 (4.23) | 73 (3.79) |
| SD – standard deviation; CS met at DX – cancers metastasis at distant site. | ||