Table 2.
Associations between patient characteristics and the occurrence of itch in 211 HS patients
| Coding | Univariablea | Multivariablea | ||
|---|---|---|---|---|
| OR (95% CI) | p value | OR (95% CI) | p value | |
| Age | ||||
| Continuous | 0.99 (0.97–1.01) | 0.33 | 0.97 (0.94–1.01) | 0.10 |
| Sex | ||||
| Male | 1.05 (0.60–1.86) | 0.87 | 0.75 (0.37–1.53) | 0.75 |
| Smoking status | ||||
| Never smoked | Reference variable | Reference variable | ||
| Present smoker | 2.27 (1.08–1.76) | 0.03* | 2.02 (0.82–4.95) | 0.13 |
| Past smoker | 1.31 (0.54–3.19) | 0.55 | 1.26 (0.43–3.68) | 0.67 |
| Duration of HS (years) | ||||
| Continuous | 1.02 (0.99–1.04) | 0.20 | 1.04 (1.00–1.07) | 0.38 |
| HS severity | ||||
| Hurley I | Reference variable | Reference variable | ||
| Hurley II | 1.69 (0.77–3.68) | 0.19 | 1.78 (0.72–4.45) | 0.22 |
| Hurley III | 8.04 (2.62–25) | <0.001** | 7.73 (2.01–27) | 0.003* |
| Currently inflamed areas | ||||
| Continuous | 1.70 (1.32–2.19) | <0.001** | 1.21 (0.92–1.58) | 0.18 |
| Pain on NRS | ||||
| Continuous | 1.35 (1.12–1.50) | <0.001** | 1.34 (1.18–1.52) | <0.001** |
HS hidradenitis suppurativa, NRS numerical rating scale, OR odds ratio, CI confidence interval
* Indicates significant at p = 0.05, ** indicates significant at p = 0.001
aLogistic regression analysis with a pruritus NRS score ≥3 as the dependent variable: univariable model, unadjusted; and multivariable model, adjusted for factors and covariates in the model (OR >1 is a predictor for the occurrence of itch)