Non‐pharmacological interventions for preventing venous insufficiency in a standing worker population

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Figure 1

Risk of bias summary: review authors' judgements about each risk of bias item for each included study.

Table 1. Number of participants with reported symptoms following compression according to Weiss 1999

Symptom of CVI	Number of participants reporting symptom after no compression (Phase 0)	Number of participants reporting improvement after 8 to 15 mmHg compression (Phase 1)	Number of participants reporting improvement after 15 to 20 mmHg compression (Phase 2)
Aching	17/19	14/17	*
Discomfort	17/19	15/17	6/9
Tightness	16/19	13/16	7/8
Swelling	13/19	12/13	6/7
Fatigue	19/19	15/19	6/10
*Data not reported Number of participants completed Phase 0 and Phase 1: 19 Number of participants completed Phase 2: 10

Table 1. Number of participants with reported symptoms following compression according to Weiss 1999

Table 2. Improvement in severity score of symptoms following compression according to Weiss 1999

Study phase	Mean score for swelling*	Mean score for discomfort*
Phase 0: No compression	2.47	3.05
Phase 1: 8 to 15 mmHg compression	1.42	1.68
Phase 2: 15 to 20 mmHg compression	1.50	1.70
*Mean score of symptoms on visual analogue scale, 0 = none to 5 = severe

Table 2. Improvement in severity score of symptoms following compression according to Weiss 1999

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