Table 3. Analysis on general condition, therapy and recurrence.
| Items | No. of patients | % (n=178) | Relapse | χ2 value | P value | R value | P value |
|---|---|---|---|---|---|---|---|
| Residence | 3.684 | 0.423 | 0.144 | 0.055 | |||
| City | 119 | 66.9 | 5 | ||||
| Country | 59 | 33.1 | 7 | ||||
| Marital status | 2.504 | 0.114 | −0.119 | 0.115 | |||
| Married | 149 | 83.7 | 12 | ||||
| Unmarried | 29 | 16.3 | 0 | ||||
| Age | 1.722 | 0.423 | 0.115 | 0.935 | |||
| ≤30 years | 110 | 61.8 | 7 | ||||
| >30, ≤45 years | 58 | 32.6 | 5 | ||||
| >45 years | 10 | 5.6 | 0 | ||||
| Lesion range | 8.298 | 0.081 | 0.162 | 0.162 | |||
| Areola area | 13 | 7.3 | 1 | ||||
| ≤1 quadrant | 34 | 19.1 | 0 | ||||
| 1–2 quadrants | 68 | 38.2 | 3 | ||||
| >2, ≤3 quadrants | 55 | 30.9 | 7 | ||||
| >3 quadrants | 8 | 4.5 | 1 | ||||
| Therapy | 11.517* | 0.001* | −0.254* | 0.001* | |||
| Non-surgery | 14 | 7.9 | 4 | ||||
| Surgery | 164 | 92.1 | 8 | ||||
| Predisposing factors | 9.566** | 0.023** | 0.148** | 0.048** | |||
| Unknown cause | 75 | 42.1 | 1 | ||||
| Nipple retraction | 63 | 35.4 | 7 | ||||
| Psychic drugs | 16 | 9.0 | 3 | ||||
| Others | 24 | 13.4 | 1 |
*, analysis results of a combination of non-surgery therapy in small sample. Surgery therapy refers to a comprehensive treatment based on “LE + BR”, and non-surgery therapy refers to other treatments included in this study; **, analysis results of combined causes in small sample. Other causes included no breastfeeding, steroid hormones, hyperprolactinemia, trauma.