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Table 3 Distribution of plasma retinol concentration according to sex and age

From: Low plasma vitamin A concentration is associated with tuberculosis in Moroccan population: a preliminary case control study

  TB patients Healthy controls p
N Mean retinol (µmol/L) Median [Min–Max] N Mean retinol (µmol/L) Median [Min–Max]
Sex
 Men 29 1.60 ± 0.8 21 2.87 ± 1.01 <0.0001
1.45 [0.45–3.89] 2.54 [1, 39]
 Women 15 1.94 ± 1.52 19 2.69 ± 0.93 0.04275
1.22 [0.55–4.94] 2.56 [1.12–4.73]
   p > 0.05   p > 0.05  
Age (years)
 <29 23 1.86 ± 1.18 10 2.93 ± 0.88 <0.001
1.45 [0.53–4.94] 2.62 [2.04–4.32]
 30–49 15 1.66 ± 1.12 19 2.98 ± 1.05 0.0014
1.24 [0.45–4.01] 2.56 [1.17–5.39]
 >50 6 1.32 ± 0.57 11 2.30 ± 0.77 0.01
1.24 [0.45–4.01] 2.32 [1.12–3.27]
   p > 0.05   p > 0.05