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Table 3 Logistic regression analysis of referral to outpatient hospital care among dermatology patients in Primary Care Plus (N = 2812)

From: Reorganising dermatology care: predictors of the substitution of secondary care with primary care

Predictors Univariable model Final model
Unadjusted OR (95% CI) AME p-value Adjusted OR (95% CI) AME p-value
Age† 1.12 (1.07–1.17) 0.02 ≤0.001*** a   
Gender - male 1.06 (0.88–1.28) 0.01 0.510   
Number of consultations 0.79 (0.62–1.00) − 0.04 0.054 a   
Specialist
 Specialist 1 0.55 (0.45–0.66) −0.10 ≤0.001*** b   
 Specialist 2 1.40 (1.14–1.72) 0.06 ≤0.001*** 1.88 (1.48–2.39) 0.09 ≤0.001***
 Specialist 3 1.64 (1.26–2.15) 0.09 ≤0.001*** 1.97 (1.44–2.69) 0.09 ≤0.001***
 Other specialists 1.36 (1.02–1.83) 0.05 0.038* 1.80 (1.29–2.52) 0.08 ≤0.001***
Diagnosis
 Naevi 1.18 (0.91–1.52) 0.03 0.215 1.30 (0.88–1.92) 0.04 0.195
 Premalignant dermatosis 0.89 (0.64–1.23) −0.02 0.477 b   
 Benign tumours 0.70 (0.49–1.01) − 0.05 0.058* 0.83 (0.51–1.33) −0.03 0.433
 Other eczema 0.28 (0.16–0.47) −0.14 ≤0.001*** 0.36 (0.19–0.66) −0.11 ≤0.001***
 Acneiform dermatoses 0.58 (0.36–0.91) −0.08 0.018* 0.66 (0.38–1.14) −0.05 0.136
 Inflammatory dermatoses 1.78 (1.26–2.53) 0.11 ≤0.001*** 2.12 (1.33–3.38) 0.14 0.002**
 Dermatoses due to microorganisms 0.28 (0.15–0.53) −0.14 ≤0.001*** 0.32 (0.16–0.66) −0.11 0.002**
 Malignant dermatoses 14.00 (9.54–20.53) 0.57 ≤0.001*** 12.98 (7.96–21.17) 0.55 ≤0.001***
 Pigment disorders 0.70 (0.39–1.24) −0.05 0.223 0.77 (0.40–1.49) −0.03 0.441
 Hair and nail disorders 0.20 (0.09–0.49) −0.16 ≤0.001*** 0.23 (0.09–0.59) −0.13 0.002**
 Other diagnosis 0.60 (0.47–0.76) −0.07 ≤0.001*** 0.71 (0.49–1.05) −0.04 0.086
 Unknown diagnosis 2.23 (1.65–3.03) 0.15 ≤0.001*** 2.24 (1.45–3.45) 0.15 ≤0.001***
  1. Note: OR Odds ratio, Cl Confidence interval, AME Average marginal effects
  2. * P ≤ 0.15; ** P < 0.01; *** P < 0.001Age was rescaled such that one unit is equal to 10 years
  3. aVariable not significant in final model
  4. bReference category for the adjusted OR analysis