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Table 4 Salivary cortisol level of the ADHD group after treatment and control group

From: Effect of one-month treatment with methylphenidate on salivary cortisol level of attention deficit hyperactivity disorder children

Salivary cortisol level Predominantly inattentive ADHD after treatment (n = 17) Predominantly hyperactive/impulsive ADHD after treatment (n = 12) Combined ADHD after treatment (n = 16) ADHD group after treatment (n = 45) Control group (n = 60) Z, P1 Z, P2 Z, P3 Z, P4 KW, P5
Median (min-max) 25.74 (9.67–78.13) 27.75 (2.45–47.41) 22.42 (1.18–99.34) 25.74 (1.18–99.34) 23.54 (9.27–54.62) − .725, 0.469 − .695, 0.487 − .076, 0.939 0.641, 0.521 0.203, 0.903
  1. Z Mann-Whitney test, KW Kruskal-Wallis test, P1 p value between the predominantly inattentive ADHD and control groups, P2 p value between the predominantly hyperactive/impulsive ADHD and control groups, P3 p value between the combined ADHD and control groups, P4 p value between the ADHD and control groups, P5 p value between the predominantly inattentive ADHD, predominantly hyperactive/impulsive ADHD, and combined ADHD