Table 2 Odds ratios (OR) for longer healing vs. shorter healing of venous leg ulcers were analyzed using logistic regression. Univariate to the left and multivariate (adjusted for age and sex) to the right

Sex

Female

1.00

1.00

Male

1.15 (0.85–1.56)

0.373

1.11 (0.79–1.57)

0.553

Age categories

<=70

1.00

1.00

69–77

1.02 (0.89–1.17)

1.04 (0.90–1.21)

77>-85

1.04 (0.79–1.36)

1.09 (0.81–1.47)

> 85

1.05 (0.70–1.59)

0.804

1.14 (0.73–1.79)

0.573

Body mass index (kg/m²)

<=24

1.00

-

24>-27

1.01 (0.87–1.18)

-

27>-31

1.02 (0.75–1.39)

-

> 31

1.03 (0.65–1.65)

0.890

-

Missing

Number of comorbidities

-

0

1.00

-

1

1.05 (0.86–1.28)

-

-

2

1.10 (0.75–1.64)

-

-

3

1.16 (0.64–2.09)

0.619

-

Duration before registration (days)

<=56

1.00

1.00

-

56>-84

1.28 (1.12–1.45)

1.32 (1.14–1.52)

84>-168

1.63 (1.26–2.11)

1.74 (1.31–2.31)

> 168

2.09 (1.41–3.07)

< 0.001

2.29 (1.50–3.50)

< 0.001

Regular exercise

No

1.00

-

Yes

0.92 (0.67–1.25)

0.581

-

Missing

-

Pain

No pain

1.00

1.00

Pain

1.79 (1.32–2.44)

< 0.001

1.90 (1.36–2.64)

< 0.001

Missing

Staff per month

1–2

1.00

-

3–4

1.46 (1.08–1.98)

-

> 4

2.13 (1.16–3.92)

0.015

-

Missing

-

Dressings per week (mean)

0-1.5

1.00

-

1.5-2

1.32 (0.99–1.76)

-

≥ 3

1.75 (0.99–3.11)

0.054

-

Compression therapy

No

1.00

-

Yes

0.58 (0.28–1.20)

0.139

-

Missing

-

Given self-care advice on nutrition

No

1.00

1.00

Yes

1.42 (1.04–1.95)

0.028

1.55 (1.12–2.15)

0.009

Missing

-

Given self-care advice on physical activity

No

1.00

-

Yes

1.09 (0.79–1.51)

0.597

-

Missing

-