Table 5.
Relationships between pain and the other variables
| Variables | Odds ratio | 95% CI | P- value a |
|---|---|---|---|
| Mean age (52 years vs. 54 years)b |
|
|
0.16 |
| Surgery – Evaluation. interval (34 vs. 36 months)b |
|
|
0.41 |
| Surgery (mastectomyvs. conservative breast surgery) |
1.4 |
0.6-3.5 |
0.38 |
| Incision (single vs. separate) |
0.9 |
0.4-2.0 |
0.95 |
| Surgery (dominant arm vs. non-dominant arm.) |
1.9 |
1.0-3.7 |
0.04 |
| Axilla status (positive vs. negative) |
1.3 |
0.7-2.6 |
0.37 |
| Number of positive lymph nodes (6 vs. 5)b |
|
|
0.24 |
| Number of dissected lymph nodes (14 vs. 14)b |
|
|
0.65 |
| Postoperative seroma (yes vs. no) | 0.7 | 0.2-2.3 | 0.65 |
aMultivariate analysis: multiple logistic regression tests for binary variables and multiple linear regression for continuous variables.
bMultiple linear regression for continuous variables does not generate odds ratio and CI.
CI: confidence interval.