Table 4.

Prediction of Lymphoedema (defined by RAVI ≥ 10) by 36 months.

	Univariate		Multivariable
Variable	OR (95% CI)	p-value	OR (95% CI)	p-value	Score
RAVI at 1 month		<0.001		<0.001
<3%	1 (–)		1 (–)		0
≥3–<5%	1.37 (0.82–2.30)		1.48 (0.86–2.56)		0.5
≥5–<10%	4.08 (2.66–6.25)		5.27 (3.30–8.41)		1.5
>10%	5.54 (2.33–13.16)		6.60 (2.52–17.31)		2
LBCQ checklist swelling at pre-surgery (yes)	2.06 (1.22–3.49)	0.007	–	–
Age (per year increase)	1.01 (1.00–1.03)	0.021	–	–
BMI at pre-surgery		0.017		0.10
≤25	1 (–)		1 (–)		0
>25–≤30	1.22 (0.83–1.79)		1.18 (0.75–1.86)		0
>30	1.72 (1.17–2.51)		1.63 (1.03 to +2.57)		0.5
ER status (negative)	1.32 (0.91–1.91)	0.14	1.35 (0.86–2.13)	0.19	0.5
Pos nodes(n) (per node inc)		<0.001		<0.001
≤3	1 (–)		1 (–		0
4–9	1.28 (0.87–1.89)		1.41 (0.87–2.27)		0.5
≥10	2.77 (1.87–4.11)		3.05 (1.89–4.93)		1
Chemotherapy (CT)		0.015		0.008
No CT	1 (–)		1 (–)		0.5
CT with no taxane	0.61 (0.30–1.25)		0.54 (0.23–1.24)		0
CT with taxane	1.41 (1.01–1.98)		1.57 (1.04–2.38)		1
Radiotherapy (RT)		0.015
No RT	1 (–)		–	–	–
Local RT only	1.51 (0.94–2.43)
Regional LN RT	1.99 (1.23–3.20)
Stage		<0.001
≤2	1 (–)		–	–	–
3	1.79 (1.32–2.42)
B3 at pre-surgery		0.39
0–1 (little to no swelling)	1 (–)		–	–	–
2–4 (some to considerable swelling)	1.28 (0.73–2.24)