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Table 3 Data collection instruments

From: Eutectic mixture of local anaesthetics (EMLA®) as a primary dressing on painful chronic leg ulcers: a pilot randomised controlled trial

Data collection instrument

Outcome measure

Estimated time of completion

Psychometric properties

Outcome assessment time points

11-point numerical rating scale [62, 63]

Wound-related pain intensity

1 min

Discriminative power relating to chronic pain. Test, re-test reliability high (r = 0.96);

Construct validity—highly correlated with the visual analogue scale for chronic pain conditions (reported range, 0.86 to 0.95) [64]

Baseline and every dressing

Cardiff Wound Impact Schedule [60]

Health-related

quality of life

5 to 10 min

Established reliability with internal consistency subscale scores > 0.75, and good reproducibility [60]

Baseline, 2, 4, 8 and 12 weeks

Leg Ulcer Measurement Tool [61]

-Clinical and patient domains

Chronic leg ulcer

appearance

5 to 10 min

Concurrent construct validity high (r = 0.82) with excellent intra-rater/inter-rater reliability for the total LUMT scores (ICC > 0.75) and for many of the 14 domains; some domains were less reproducible; this tool was able to detect change in wound status over time [61]

Baseline, 2, 4, 8 and 12 weeks

Wound-related pain at dressing change assessment tool [56, 65]

Wound-related pain response to intervention over the previous 24 h

5 min

Data collection tool not validated

Baseline and every dressing

Wound photography and 2-dimensional photo-digital planimetry [66]

Chronic leg ulcer measurement over time (cm2)

15 min including download onto computer for measurement

Inter-rater reliability and intra-rater reliability is higher than traditional wound tracing methods (94 and 98.3%, respectively) [66]

Baseline, 2, 4, 8 and 12 weeks

American Geriatric Society Pain Diary [67]

WRP intensity and frequency of pain-relieving medications, mood and response to wound treatments [68, 69]

 

Data collection tool, not validated

Whenever pain perceived at home

  1. ICC intraclass correlation coefficient, r correlation coefficient, LUMT Leg Ulcer Measurement Tool