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Table 2 Mean values for salivary flow rates and salivary chromogranin A levels at baseline

From: Effect of laughter on salivary flow rates and levels of chromogranin A in young adults and elderly people

Indicators

Young group (n = 15)

Elderly group (n = 15)

Comic film protocol

Control protocol

p valuea

Comic film protocol

Control protocol

p valuea

Salivary flow rates (mL/min)

1.14 ± 0.22

1.10 ± 0.23

0.323

0.78 ± 0.31

0.94 ± 0.43

0.091

Salivary chromogranin A levels (pmol/mL)

6.42 ± 4.09

3.10 ± 1.56

0.015

6.40 ± 3.19

8.26 ± 3.42

0.084

  1. Data are presented as the mean ± standard deviation
  2. aStudent’s paired t test