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Table 9 Delayed-type hypersensitivity skin test of overweight and obese older adults in control and olive oil groups at baseline and month 3a

From: Cardio-metabolic and immunological impacts of extra virgin olive oil consumption in overweight and obese older adults: a randomized controlled trial

  Control (n = 21)   Olive Oil (N = 20)  
Measurement Baseline Month 3 P *   Baseline Month 3 P * P **
     mm     
Induration to candida 9.4 ± 2.1 13.5 ± 2.4 0.04   9.9 ± 1.9 11.8 ± 2.7 0.13 0.48
Induration to TT 14.6 ± 1.7 16.0 ± 2.5 0.57   10.2 ± 1.9 11.5 ± 1.9 0.73 0.32
Induration to TM 2.6 ± 1.2 4.0 ± 2.5 0.15   4.3 ± 1.6 6.7 ± 2.3 0.07 0.81
Total induration 26.6 ± 2.7 33.5 ± 3.9 0.03   24.4 ± 3.3 30.0 ± 4.4 0.04 0.37
No. of positive responses 1.66 1.86 0.16 a   1.79 1.74 0.74 b 0.08 b
  1. Abbreviations: TT tetanus toxoid, TM trichophyton mentagrophytes
  2. * P-value within group was obtained by paired t-test or nonparametric test as indicated by b under P * column
  3. ** P-value for difference between groups was obtained by ANCOVA or nonparametric test as indicated by b under P ** column
  4. aValues are mean ± SEM or (n) of measurements 48 h after administration of DTH