Table 1.
Basic clinical characteristics in patients with breast atypical hyperplasia.
| Variable | Case n (%) | Control n (%) | χ2 | P |
|---|---|---|---|---|
| Type | 36 (100) | 2438 (100) | 1.636 | 0.651 |
| Pain | 13 (36.11) | 963 (39.50) | ||
| Mass | 13 (36.11) | 654 (26.83) | ||
| Mixed | 10 (27.78) | 821 (33.67) | ||
| Location | 37 (100) | 2443 (100) | 4.839 | 0.028 |
| Urban | 27 (72.97) | 1340 (54.85) | ||
| Rural | 10 (27.03) | 1103 (45.15) | ||
| Number of births | 36 (100) | 2520 (100) | 0.265 | 0.876 |
| 0 | 3 (8.33) | 190 (7.54) | ||
| 1–2 | 32 (88.89) | 2217 (87.98) | ||
| ≥3 | 1 (2.78) | 113 (4.48) | ||
| Menopause | 36 (100) | 2473 (100) | 0.157 | 0.692 |
| Yes | 3 (8.33) | 165 (6.67) | ||
| No | 33 (91.67) | 2308 (93.33) | ||
| Menstrual pattern | 30 (100) | 2317 (100) | 0.765 | 0.382 |
| Regular | 25 (83.33) | 2050 (88.48) | ||
| Irregular | 5 (16.67) | 267 (11.52) | ||
| Breastfeeding | 34 (100) | 2322 (100) | 0.998 | 0.318 |
| Yes | 29 (85.29) | 2099 (90.40) | ||
| No | 5 (14.71) | 223 (9.60) | ||
| Breast pain | 37 (100) | 2528 (100) | 1.698 | 0.193 |
| Yes | 8 (21.62) | 800 (31.65) | ||
| No | 29 (78.38) | 1728 (68.35) | ||
| BMI | 37 (100) | 2530 (100) | 0.513 | 0.474 |
| <24 | 24 (64.86) | 1726 (68.22) | ||
| ≥24 | 13 (35.13) | 804 (31.77) | ||
| Diabetes mellitus | 36 (100) | 2558 (100) | 0.367 | 0.545 |
| Yes | 1 (2.78) | 39 (1.52) | ||
| No | 35 (97.22) | 2519 (98.48) | ||
| Hypertension | 37 (100) | 2561 (100) | 10.971 | 0.001 |
| Yes | 6 (16.22) | 117 (4.57) | ||
| No | 31 (83.78) | 2444 (95.43) | ||
| Family history of breast cancer | 37 (100) | 2567 (100) | 0.527 | 0.468 |
| Yes | 1 (2.70) | 139 (5.41) | ||
| No | 36 (97.30) | 2428 (94.59) | ||
| Cigarette smoking | 37 (100) | 2570 (100) | 4.518 | 0.034 |
| Yes | 5 (13.51) | 140 (5.45) | ||
| No | 32 (86.49) | 2430 (94.55) | ||
| Alcohol drinking | 37 (100) | 2566 (100) | 1.535 | 0.215 |
| Yes | 13 (35.14) | 670 (26.11) | ||
| No | 24 (64.86) | 1896 (73.89) | ||
| Physical activity | 37 (100) | 2566 (100) | 2.981 | 0.084 |
| Yes | 31 (83.78) | 1817 (70.81) | ||
| No | 6 (16.22) | 749 (29.19) | ||
| Sleep satisfaction | 36 (100) | 2483 (100) | 0.200 | 0.655 |
| Satisfied | 28 (77.78) | 1850 (74.51) | ||
| Dissatisfied | 8 (22.22) | 633 (25.49) | ||
| Life satisfaction | 36 (100) | 2512 (100) | 1.901 | 0.168 |
| Satisfied | 31 (86.11) | 2229 (88.73) | ||
| Dissatisfied | 5 (13.88) | 283 (11.27) |
BMI, body mass index.