Table 1 OC suspicious characteristics of samples
From: Screening ovarian cancer by using risk factors: machine learning assists
Feature | Value | Total frequency (n = 1473) | Positive | Negative |
|---|---|---|---|---|
(n = 701) | (n = 772) | |||
Age |  < 40 40–50 50–60  > 60 | 205 424 617 227 | 85 175 320 121 | 120 249 297 106 |
BMI |  < 18.5 18.5–25 25–30  > 30 | 57 311 475 630 | 25 107 198 371 | 32 204 277 259 |
Blood group | A B AB O | 598 257 298 320 | 339 102 123 137 | 259 155 175 183 |
Race | Persian Others | 1150 323 | 519 182 | 631 141 |
Menopausal age |  < 45 45–50 50–55  > 55 | 52 208 655 558 | 23 71 349 258 | 29 137 306 300 |
Postmenopausal hormone therapy | Yes No | 845 628 | 459 242 | 386 386 |
Endometriosis | Yes No | 743 730 | 472 229 | 271 501 |
History of nonpregnancy | Yes No | 805 668 | 459 249 | 346 419 |
Family history of cancer such as ovary, breast, or colorectal | Yes No | 859 614 | 466 235 | 393 379 |
Family cancer syndrome | Yes No | 375 1098 | 212 489 | 163 609 |
Fertility treatment use | Yes No | 569 904 | 273 428 | 296 476 |
Breast cancer | Yes No | 456 1017 | 277 424 | 179 593 |
Smoking | Yes No | 345 1128 | 211 490 | 134 638 |
History of pregnancy and breastfeeding before age 26 | Yes No | 779 694 | 318 383 | 461 311 |
History of the PCOS | Yes No | 597 876 | 302 399 | 295 477 |
History of chest X-ray | Yes No | 658 815 | 389 312 | 269 503 |
Alcohol consumption | Yes No | 52 1421 | 25 676 | 27 745 |
Particular food consumption, such as fried foods, whole milk, and trans fats | Yes No | 852 621 | 596 105 | 256 516 |
History of exposure to mutagenic or chemical substances | Yes No | 398 1075 | 202 499 | 196 576 |
High red meat consumption | Yes No | 412 1061 | 184 517 | 228 544 |
History of hysterectomy | Yes No | 358 1115 | 274 427 | 84 688 |
Oral contraceptive pill use | Yes No | 474 999 | 167 534 | 307 465 |
Aspirin use | Yes No | 872 601 | 287 414 | 585 187 |
High consumption of coffee | Yes No | 257 1216 | 122 579 | 135 637 |
Vegetable consumption | Low Medium High | 504 530 439 | 235 269 197 | 269 261 242 |
Fruit consumption | Low Medium High | 426 518 529 | 243 249 209 | 183 269 320 |