Table 4.

Variation in the total cost of venous leg ulcer treatment over a 2-week period

	Difference in £	95% CI
Dressing: honey (ref=non-antimicrobial)	18.59*	−2.52 to 39.69
Dressing: Iodine (ref=non-antimicrobial)	−11.78	−42.54 to 18.98
Dressing: silver (ref=non-antimicrobial)	65.27***	38.02 to 92.52
Dressing: other antimicrobial (ref=non-antimicrobial)	29.43*	−4.06 to 62.91
Dressing: not reported (ref=non-antimicrobial)	8.98	−27.21 to 45.17
Any secondary dressing	9.38	−5.93 to 24.69
Any bandage use	48.63***	27.24 to 70.02
Any hosiery	−9.37	−31.34 to 12.61
Any medication	24.76***	9.42 to 40.11
Most wound related care in clinical setting (ref=non-clinical)	−44.91***	−64.68 to −25.14
Female	−25.56	−64.53 to 13.40
Age (50–69 years old)	−14.64	−50.43 to 21.15
Age (70–79 years old)	−22.74	−57.19 to 11.71
Age (80+ years old)	−39.33**	−74.02 to −4.64
Female*age (50–69 years old)	32.93	−19.61 to 85.48
Female*age (70–79 years old)	22.51	−24.05 to 69.07
Female*age (80+ years old)	22.78	−21.01 to 66.56
White British (ref=other)	10.59	−15.54 to 36.72
Owned/rented residence (ref=other)	−8.83	−36.39 to 18.73
Mobility: walks with difficulty (ref=walks freely)	20.25**	0.59 to 39.92
Mobility: immobile (ref=walks freely)	37.75	−8.50 to 84.01
Number of wounds	9.69***	4.06 to 15.33
Number of comorbidities	0.50	−6.12 to 7.11
Constant	103.09***	50.79 to 155.39
Patients	514

Coefficients estimated using ordinary least squares regression.

**p<0.05, **p<0.01,***p<0.001

CI, Confidence Interval.