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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