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Table 2 Overview of included studies

From: Effects of preventive use of compression stockings for elderly with chronic venous insufficiency and swollen legs: a systematic review and meta-analysis

Study
Setting, Country
Population Intervention* Comparison Results
Primary outcomes
Results
Secondary outcomes
Patients with healed venous leg ulcers
Kapp 2013 (20)
Home nursing Australia
n = 100
Age: 79 ± 10
Recently healed venous leg ulcer
Class 3 stockings
(34–46 mmHg)
below knee length
Class 2 stockings
(23–32 mmHg) below knee length
Ulcer recurrence:
6 months RR: 0.64
(0.20 to 2.03)
Compliance 6 months
Class 3: 17/44
Class 2: 35/49
RR: 0.54 (0.36 to 0.82)**
Clarke-Moloney 2012 (23)
Hospital and community leg ulcer clinic
Ireland
n = 100
Age: 69 ± 11
Recently healed venous leg ulcer
Class 2 stockings (23–32 mmHg)
knee or thigh length
Class 1 stockings (18–21 mmHg) knee or thigh length Ulcer recurrence:
12 months RR: 0.59
(0.23 to 1.49)
Compliance 12 months
Class 2: 45/50
Class 1: 43/49
RR: 1.03 (0.89 to 1.18)
Nelson 2006 (22)
Hospital leg ulcer clinic
England
n = 300
Age:64 ± 12
Recently healed
venous leg ulcer
Class 2 stockings
(25–35 mmHg)
knee or thigh length
Class 1 stockings
(18–24 mmHg)
knee or thigh length
Ulcer recurrence:
12 months RR: 0.47 (0.25 to 0.91)**
Five years RR: 0.82
(0.61 to 1.12)
Compliance 5 years
Class 2: 86/149
Class 1: 108/151
RR: 0.81 (0.68 to 0.96)**
Vandongen 2000 (21)
Hospital leg ulcer clinic
Australia
n = 153
Age: 67 [37–85]
Venous leg ulcer healed for 2 weeks. Patients had to apply the stockings themselves
Class 3 stockings
(35–45 mmHg)
below knee length
No compression stockings Ulcer recurrence:
6 months RR: 0.46
(0.27 to 0.76)**
12 months RR: 0.43
(0.27 to 0.69)**
Compliance not reported
Patients with venous insufficiency  
Jungbeck 1997 (24)
Vascular surgery dept.
Sweden
n = 31
Age: [27–82]
Chronic venous insufficiency grade II
Class 2 stockings (23–30 mmHg)
below knee length
Class 1 stockings
(13–20 mmHg) below knee length
Not reported Compliance not reported
Subjective symptoms 8 weeks 1
Class 2 (Median % on VAS):
Before: 46.1%, after: 14.8%
Class 1 (Median % on VAS):
Before: 43.8%, after: 15.6%
  1. *We used the European standard of compression stockings
  2. **Indicates statistically significant result
  3. 1Pain, ankle swelling, tired legs, restless legs and night cramps