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Table 3 The mean (SD) pressure pain threshold (PPT; kPa) of the masseter muscles before and after microdialysis

From: Serotonin, glutamate and glycerol are released after the injection of hypertonic saline into human masseter muscles – a microdialysis study

 

Hypertonic saline side

Control side

p-values between sides

Reference point

Before

 All

283.1 (82.6)

299.0 (185.0)

0.619

747.4 (217.8)

  Men

318.0 (70.5)¤

291.2 (70.2)

0.306

836.1 (193.7)

  Women

245.6 (80.1)

307.4 (261.3)

0.308

658.7 (209.4)

After

 All

232.1 (83.8)*

217.5 (85.5)*

0.407

742.0 (193.2)

  Men

250.1 (83.4)*

234.6 (96.3)

0.642

766.8 (194.6)

  Women

214.1 (83.0)

200.4 (72.4)

0.634

717.1 (195.2)

  1. Data from thirty healthy participants, 15 men and 15 aged-matched women.
  2. * = significantly lower PPT after microdialysis (p < 0.05).
  3. ¤ = significantly higher PPT compared to women (p < 0.05).