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Table 2 Logistic regression results showing odds and adjusted* odds ratios of skin manifestations in patients who had successful versus non-successful weight loss post bariatric surgery

From: Skin manifestations after bariatric surgery

  Univariate Adjusted
Skin manifestations Non-successful weight loss patients (N = 24) Successful weight loss patients (N = 46) OR (95%CI) p-value* Adjusted OR (95%CI)a Adjusted p-value*
Hair
 Alopecia (%) 10 (41.67%) 31 (67.39%) 2.89 (1.04,8.02) 0.04* 2.75 (0.88, 8.57) 0.08
Skin
 Psoriasis (%) 0 (0%) 2 (4.35%) 1 (−) – – –
 Diagonal earlobe creases (%) 1 (4.17%) 1 (2.17%) 0.51 (0.03, 8.55) 0.64 – –
 Acanthosis nigricans (%) 15 (62.5%) 19 (41.3%) 0.42 (0.15, 1.16) 0.10 – –
 AN-neck (%) 15 (62.5%) 17 (36.96%) 0.35 (0.13,0.98) 0.045* 0.33 (0.09, 1.17) 0.09
 AN-axillae (%) 11 (45.83%) 9 (19.57%) 0.29 (0.1, 0.85) 0.03* 0.37 (0.11, 1.27) 0.11
 AN-antecubital fossa (%) 2 (8.33%) 2 (4.35%) 0.5 (0.07, 3.79) 0.50 – –
 AN-inguinal areas (%) 6 (25%) 3 (6.52%) 0.21 (0.05, 0.93) 0.04* 0.21 (0.04,1.21) 0.08
 AN-inframammary areas (%) 1 (4.17%) 0 (0%) 1 (−) – – –
 Acrochordons/skin tags (%) 11 (45.83%) 24 (52.17%) 1.29 (0.48, 3.47) 0.62 – –
 Acrochordons/skin tags -neck (%) 8 (33.33%) 22 (47.83%) 1.83 (0.66, 5.12) 0.25 – –
 Acrochordons/skin tags-axillae (%) 3 (12.5%) 9 (19.57%) 1.7 (0.41, 6.99) 0.46   
 Acrochordons/skin tags-inguinal areas (%) 0 (0%) 2 (4.35%) – – – –
 Acrochordons/skin tags-eyelid (%) 1 (4.17%) 1 (2.17%) 0.51 (0.03, 8.55) 0.64 – –
 Acrochordons/skin tags-trunk (%) 5 (20.83%) 6 (13.04%) 0.57 (0.15,2.10) 0.40 – –
 Acrochordons/skin tags-inframammary areas (%) 1 (4.17%) 0 (0%) 1 (−) – – –
 KP (%) 14 (58.33%) 12 (26.09%) 0.25 (0.09, 0.72) 0.01* 0.21 (0.06, 0.74) 0.02*
 Pebble fingers (%) 5 (20.83%) 1 (2.17%) 0.08 (0.01, 0.77) 0.03* 0.09 (0.01, 0.89) 0.04*
 Striae distensae (%) 16 (66.67%) 27 (58.7%) 0.71 (0.25, 1.99) 0.52 – –
 Folliculitis (%) 2 (8.33%) 2 (4.35%) 0.5 (0.07, 3.8) 0.50 – –
 Intertrigo (%) 7 (29.17%) 12 (26.09%) 0.86 (0.29, 2.57) 0.78 – –
 Chronic venous disease manifestations (%) 9 (37.5%) 11 (23.91%) 0.52 (0.18, 1.52) 0.24 – –
 Plantar hyperkeratosis (%) 19 (79.17%) 27 (58.70%) 0.37 (0.12, 1.18) 0.09 – –
  1. AN acanthosis nigricans, KP keratosis pilaris
  2. *p < 0.05
  3. a Adjusted for age, sex, and underlying diseases (i.e. hypertension, dyslipidemia, diabetes mellitus, and polycystic ovarian syndrome)
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