Table 2 Analysis of heterogeneity across all included studies
From: Pain assessment using physiological responses/markers in different types of pain: a scoping review
Characteristics | Categories (n, %n) |
|---|---|
Type of pain* | Acute (57, 64%), chronic (18, 20.2%), intraoperative/postoperative (18, 20.2%) |
Study population | Volunteers (45, 50.6%), patients (38, 42.7%), mixed (6, 6.7%) |
Sample size | <20 (12, 13,5%), 20-50 (37, 41.6%), >50 (34, 38.2%), Not reported (6, 6.7%) |
Sex | Balanced (19, 21.3%), majority male (15, 16.9%), majority female (27, 30.3%), only female (3, 3.4%), only male (4, 4.5%), not reported (21, 23.6%) |
Methodological approach * | Pain induction (59, 66.3%), pain modulation (22, 24.7%), observational (7, 7.9%), surgery (10.1%) |
Public Database | Yes (13, 14.6%), No (76, 85.4%) |