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. 2018 Mar 30;115(13):213–219. doi: 10.3238/arztebl.2018.0213

eTable. Comprehensive overview of the results.

Variables Rating Postoperative day 2 Postoperative day 3 Postoperative day 6
Percentage p value Percentage p value Percentage p value
Blistering Intervention group 0 0 0
Control group 0 0 0
Dressing changes
performed 		Intervention group 15.7 <0.0001 18.4 <0.0001 94.2 0.497
Control group 59 59 96.2
Visual analog scale (VAS)
before dressing change 		Intervention group 0 = 100 0.632 0 = 100 0.513 0 = 99 0.085
2 = 1
Control group 0 = 98.4 0 = 92.2 0 = 96
1 = 1.6 1 = 3.1 1 = 4
2 = 4.7
VAS during
dressing change 		Intervention group 0 = 78.6 0.001 0 = 50 0.16 0 = 85.6 <0.0001
1 = 14.3 1 = 6.3 1 = 10.3
2 = 7.1 2 = 31.3 2 = 2.1
4 = 12.4 3 = 1
5 = 1
Control group 0 = 21.6 0 = 23.3 0 = 29.7
1 = 26.3 1 = 31.4 1 = 23.8
2 = 21.1 2 = 20.3 2 = 27.7
3 = 9.2 3 = 12.5 3 = 5.9
4 = 9.2 4 = 6.3 4 = 8.9
5 = 2.6 5 = 1.6 5 = 3
6 = 3.1 6 = 1
7 = 1.6
VAS after
dressing change 		Intervention group 0 = 92.9 0.073 0 = 75 0.245 0 = 96.9 0.006
2 = 7.1 1 = 12.5 1 = 2.1
2 = 12.5 2 = 1
Control group 0 = 77.6 0 = 75 0 = 82.2
1 = 19.2 1 = 21.9 1 = 15.8
2 = 2.6 2 = 3.1 2 = 1
9 = 1
Dressing change time
(mean) 		Intervention group 2.2 minutes 2.5 minutes 2.3 minutes
Control group 2.2 minutes 2.6 minutes 2.5 minutes
Patient satisfaction,
overall 		Intervention group poor 3.9 <0.0001 2.9 <0.0001 1.9 <0.0001
good 21.6 15.7 17.5
very good 57.8 50 30.1
excellent 16.7 31.4 50.5
Control group poor 15.2 26.7 39
good 59 53.3 39
very good 25.7 17.1 20
excellent 0 2.9 1.9
Patient satisfaction,
comfort 		Intervention group poor 3.9 <0.0001 2.9 <0.0001 1.9 <0.0001
good 21.6 14.7 17.5
very good 57.8 51 27.2
excellent 16.7 31.4 53.4
Control group poor 14.3 28.6 39
good 60 50.5 40
very good 24.8 19 19
excellent 1 1.9 1.9
Assessor rating,
overall 		Intervention group poor 3 <0.0001 4 <0.0001 1 <0.0001
good 26.7 14.9 17.5
very good 56.4 49.5 33
excellent 13.9 31.7 48.5
Control group poor 14.4 19.9 35.2
good 61.5 56.7 37.1
very good 24 22.1 26.7
excellent 0 1.9 1
Assessor rating,
size of wound dressing 		Intervention group poor 2.9 <0.0001 2.9 <0.0001 1.9 <0.0001
good 20.6 15.7 17.5
very good 63.7 56.9 42.7
excellent 12.7 24.5 37.9
Control group poor 6.7 14.4 19
good 62.9 53.8 46.7
very good 29.5 31.7 34.3
excellent 1 0 0
Assessor rating,
shape of wound dressing 		Intervention group poor 2.9 <0.0001 2.9 <0.0001 1 <0.0001
good 19.6 15.7 18.4
very good 65.7 57.8 42.7
excellent 11.8 23.5 37.9
Control group poor 8.6 16.3 21.9
good 62.9 53.8 45.7
very good 28.6 29.8 32.4
excellent 0 0 0
Assessor rating,
transparency of wound
dressing 		Intervention group poor 8.8 <0.0001 13.9 <0.0001 12.6 <0.0001
good 17.6 13.9 12.6
very good 16.7 11.9 6.8
excellent 56.9 60.4 68
Control group poor 76.2 72.4 81.9
good 22.9 24.8 15.2
very good 0 1 1.9
excellent 1 1.9 1
Assessor rating,
removal of wound dressing 		Intervention group poor 13.3 <0.0001 25 <0.0001 4.3 <0.0001
good 20 35 12.8
very good 46.7 25 18.1
excellent 20 15 64.9
Control group poor 57.9 29.9 60
good 33.3 22.4 28
very good 8.8 44.8 11
excellent 0 3 1
Assessor rating,
application of wound
dressing 		Intervention group poor 6.7 0.083 17.6 0.573 2.1 <0.0001
good 33.3 35.3 17
very good 53.3 41.2 50
excellent 6.7 5.9 30.9
Control group poor 21.4 29.9 32
good 44.6 22.4 23
very good 33.9 44.8 44
excellent 0 3 1
Mobilization Intervention group confined to bed 53.4 0.459 18.4 0.7 11.7 0.459
confined to chair 17.5 28.2 12.6
mobile 29.1 52.4 75.7
Control group confined to bed 58.1 18.1 6.7
confined to chair 11.4 25.7 13.3
mobile 30.5 55.2 80
Tissue consistency Intervention group normal 96.1 0.362 98.1 0.575 99 0.227
firm 1.9 1 1
boggy 1.9 1 0
other 0 0 0
Control group normal 96.2 95.2 98.1
firm 0 1 0
boggy 2.9 2.9 1.9
other 0 1 0
Skin temperature Intervention group normal 86.4 0.524 95.1 0.139 99 0.166
warm 0 4.9 1
cold 13.6 0 0
Control group normal 82.9 86.7 94.2
warm 1 10.5 4.8
cold 16.2 1.9 1
Skin status Intervention group normal 99 0.225 97.1 0.261 98 0.056
dry 0 1.9 1
scaly 0 0 0
oily 0 1 0
moist 0 0 1
other 1 0 0
Control group normal 98.1 93.3 88.5
dry 1.9 5.7 7.7
scaly 0 1 1
moist 0 0 2.9
other 0 0 0
Patient-reported
skin status 		Intervention group normal 97.1 0.05 94.2 <0.0001 96.1 <0.0001
itchy 2.9 3.9 1.9
burning 0 0 0
numb 0 0 0
combined 0 2 2
Control group normal 86.7 66.7 61
itchy 11.4 28.6 21
burning 1 0 0
numb 1 0 0
combined 0 4.8 18,2
Sweating Intervention group none 95.1 0.497 95.1 0.711 96 0.515
mild 3.9 4.9 4
moderate 1 0 0
severe 0 0 0
Control group none 93.3 96.2 93.3
mild 5.7 3.8 5.8
moderate 0 0 0
severe 1 0 1
Edema Intervention group none 82.5 0.626 84.5 0.319 87 0.762
mild 4.9 7.8 11
moderate 9.7 5.8 1
severe 2.9 1.9 1
Control group none 82.9 80 91.3
mild 7.6 12.4 6.7
moderate 8.6 7.6 1
severe 1 0 1
Amount of exudate Intervention group none 70.9 0.366 73.8 0.932 81 0.057
little 22.3 17.5 12
moderate 1 3.9 1
copious 5.8 4.9 6
Control group none 80 71.4 92.3
little 14.3 20 3.8
moderate 1.9 4.8 1.9
copious 3.8 3.8 1.9
Quality of exudate Intervention group serous 0 0.12 0.557 11.1 0.296
serous/ hemorrhagic 20 14.8 16.7
purulent 85.2
hemorrhagic 80 72.2
Control group serous 0 33.3
serous/ hemorrhagic 4.8 10 22.2
purulent 86.7
hemorrhagic 95.2 3.3 44.4
Absorbency Intervention group not stated 70.9 0.016 73.8 0.004 83 0.015
little 2.9 1
good 6.8 7.8 3
very good 12.6 10.7 4
excellent 6.8 6.8 10
Control group not stated 80 72.4 92.3
little 7.6 7.6 1.9
good 7.9 15.2 3.8
very good 2.9 2.9
excellent 1.9 1.9 1.9
Wound odor Intervention group none 99 0.311 100 100 0.368
mild
moderate 1
Control group none 100 100 99
mild 1
Drainage Intervention group external 9.7 0,079 1 0,111
none 1,9 87,4 100
removed today 88.3 11.7
Control group external 3.8
none 95.2 100
removed today 96.2 4.8