Edmonton Symptom Assessment Scale may reduce medical visits in patients undergoing chemotherapy for breast cancer

Table 3 Multivariate logistic regression for factors associated with the need of additional medical visits before chemotherapy in patients the Edmonton Symptom Assessment Scale Group (Edmonton Symptom Assessment Scale score > 3)

Variable	Odds ratio	St. Error	Z-score	95%CI	P value
Age
> 60 (n = 36)	4.93	0.695	1.596	1.26-19.25	0.022a
≤ 60 (n = 64)	Ref.
Lymph node status
Positive (n = 44)	0.50	0.662	0.691	0.13-1.83	0.297
Negative (n = 66)	Ref.
Type of surgery
Mastectomy (n = 42)	0.15	0.726	-1.895	0.03-0.62	0.009b
BCS (n = 58)	Ref.
IHC classification
Luminal (n = 33)	1.96	0.699	0.674	0.49-7.73	0.335
Non-Luminal (n = 67)	Ref.
Tumour stage
I (n = 44)	0.86	0.880	0.149	1.12-35.44	0.036c
II/III (n = 56)	Ref.

^aP < 0.05.

^bP < 0.05.

^cP < 0.05. BCS: Breast-conserving surgery.