Table 4 Factors associated with persistent pain: univariate and multivariate logistic regression models
Univariate | Multivariatea | |||||||
|---|---|---|---|---|---|---|---|---|
95 % CI | P-value | 95 % CI | P-value | |||||
OR | Lower | Upper | OR | Lower | Upper | |||
Detection method (n = 1045) | ||||||||
Screening | Ref. | Ref. | ||||||
Interval | 0.6 | 0.4 | 0.9 | 0.017 | 0.8 | 0.4 | 1.4 | 0.408 |
Age (n = 1045) | ||||||||
50–54 | Ref. | Ref. | ||||||
55–59 | 1.1 | 0.7 | 1.9 | 0.618 | 1.0 | 0.5 | 2.0 | 0.967 |
60–64 | 0.9 | 0.5 | 1.5 | 0.632 | 0.7 | 0.3 | 1.6 | 0.424 |
65–70 | 0.7 | 0.4 | 1.3 | 0.282 | 0.7 | 0.3 | 1.7 | 0.432 |
Charlson index (n = 1045) | ||||||||
0 | Ref. | Ref. | ||||||
1 | 2.3 | 1.5 | 3.7 | <0.001 | 2.8 | 1.4 | 5.4 | <0.01 |
> =2 | 3.0 | 1.8 | 5.2 | <0.001 | 4.5 | 2.1 | 9.5 | <0.001 |
Histological type (n = 1038) | ||||||||
In situ | Ref. | Ref. | ||||||
Ductal | 6.4 | 1.5 | 26.4 | <0.05 | 0.5 | 0.1 | 4.2 | 0.534 |
Lobular | 7.6 | 1.7 | 34.4 | <0.01 | 1.1 | 0.5 | 2.7 | 0.784 |
Other | 4.1 | 0.8 | 20.5 | 0.082 | 0.6 | 0.2 | 2.1 | 0.422 |
Phenotype (n = 763) | ||||||||
Luminal A | Ref. | Ref. | ||||||
Luminal B | 0.5 | 0.3 | 1.1 | 0.074 | 0.6 | 0.3 | 1.3 | 0.219 |
Her2 | 0.7 | 0.3 | 1.9 | 0.495 | 0.8 | 0.3 | 2.3 | 0.713 |
Triple negative | 1.0 | 0.5 | 2.2 | 0.903 | 1.1 | 0.5 | 2.6 | 0.800 |
Axillary treatmentb (n = 983) | ||||||||
Only SLNB | Ref. | Ref. | ||||||
ALND | 2.2 | 1.3 | 3.7 | <0.05 | 2.0 | 1.0 | 4.0 | <0.05 |
Neoadjuvant treatment (n = 1045) | ||||||||
No | Ref. | Ref. | ||||||
Yes | 0.5 | 0.2 | 1.1 | 0.095 | 0.4 | 0.1 | 1.3 | 0.132 |
Chemotherapy after surgery (n = 1018) | ||||||||
No | Ref. | Ref. | ||||||
Yes | 1.8 | 1.2 | 2.8 | <0.01 | 1.4 | 0.7 | 2.5 | 0.334 |