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Table 3 Serotonin uptake characteristics in platelets of control subjects and patients with fibromyalgia

From: Alteration of serotonin transporter density and activity in fibromyalgia

Variable Controls (n = 38) Patients with FM (n = 40)
Vmax (pmol/109 platelets per minute) 114 ± 6 90 ± 4a
Km (nM) 114 ± 15 96 ± 15
  1. Results are shown as means ± SEM. FM, fibromyalgia; Km, Michaelis constant; Vmax, maximal uptake rate of specific serotonin transporter. ap < 0.001.