Table 1

Baseline and clinical characteristics of the study population by intervention group

Characteristics1

4LB

(n = 215)

SSB

(n = 209)

p-value


Gender (female)

119 (55.3)

111 (53.1)

0.70

Language (English)

189 (87.9)

195 (93.3)

0.16

Lives with others

140 (65.1)

131 (62.7)

0.61

Fully mobile

174 (80.9)

163 (78.0)

0.47

Non-venous history

125 (58.1)

132 (63.2)

0.32

Leg ulcer pain on admission2

183 (89.7)

182 (89.2)

1.00

Medications for leg ulcer pain

53 (24.7)

62 (29.7)

0.28

# Co-morbidities

None

40 (18.6)

34 (16.3)

0.67

1 - 2

136 (63.3)

131 (62.7)

≥ 3

39(18.1)

44 (21.1)

Previous leg ulcers

93 (43.3)

98 (46.9)

0.50

Previous compression3

125 (58.4)

128 (61.2)

0.62

Reference ulcer on left leg

108 (50.2)

105 (50.2)

1.00

Edema on affected leg4

180 (84.9)

175 (84.1)

0.89

Full flexion on affected leg5

167 (79.9)

168 (82.0)

0.62

Age (years)*

64.4 (16.2) [23.8-93.0]

65.7 (17.0) [22.8-94.1]

0.41

Duration of current ulcer (weeks)†

11.7 (0.14-521.1)

11.4 (0.86-1044.7)

0.806

Area (cm2) - Tracing7

3.0 (0.16-139.8)

3.3 (0.07-50.8)

0.746

ABPI on affected leg8*

1.05 (0.15) [0.79-1.7]

1.04 (0.15) [0.79-1.5]

0.60

McGill Pain2*

Sensory Pain Index

18.5 (18.1)

19.5 (17.4)

0.58

Affective Pain Index

6.7 (14.7)

7.5 (15.9)

0.61

Total Pain Index

15.3 (16.0)

16.3 (15.8)

0.56

PPI-VAS9

2.5 (2.3)

2.8 (2.5)

0.24

SF-1210*

Physical Component (PCS)

39.5 (10.5)

38.7 (9.2)

0.40

Mental Component (MCS)

51.9 (9.9)

50.9 (9.9)

0.34


1 Values in parentheses are percentages unless indicated otherwise; *values are mean (s.d.) [range]; †values are median (range). 4LB, four-layer bandages; SSB, short-stretch bandages.

2 Pain data were available for 204 participants in each treatment arm

3 Previous compression data were available for 214 participants in the 4LB group

4 Data on edema and dependency edema were available for 212 participants in the 4LB group and 208 in the SSB group

5 Data on ankle flexion were available for 209 participants in the 4LB group and 205 in the SSB group

6 Mann-Whitney U

7 Ulcer tracing data were available for 206 participants in each treatment arm

8 ABPI data were available for 214 participants in the 4LB group

9 PPI-VAS; Present pain intensity - visual analogue scale

10 SF-12 data were available for 204 participants in the 4 LB group and 203 in the SSB group. Values imputed using mean for individual missing responses

Harrison et al. BMC Nursing 2011 10:20   doi:10.1186/1472-6955-10-20

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