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Table 2 Correlations of Depression Severity at Baseline and Serum Sertraline and N-desmethylsertraline Levels at Exit with Platelet Function in Patients with Major Depressive Disorder and Chronic Kidney Disease

From: Association of platelet function with depression and its treatment with sertraline in patients with chronic kidney disease: analysis of a randomized trial

 

Spearman correlation coefficient

P-value

Depression Severity at baseline by QIDS-SR16 Scorea

N = 175

 

 WBPA to 0.5 mM arachidonic acid, Ω

− 0.05

0.55

 WBPA to 0.25 mM arachidonic acid, Ω

− 0.06

0.46

 WBPA to 20 μM ADP, Ω

− 0.16

0.06

 WBPA to 10 μM ADP, Ω

− 0.11

0.16

 WBPA to 2 μg/mL collagen, Ω

−0.10

0.18

 ATP secretion to 0.5 mM arachidonic acid, nmoles

−0.04

0.63

 ATP secretion to 0.25 mM arachidonic acid, nmoles

−0.02

0.79

 ATP secretion to 2 μg/mL collagen, nmoles

−0.14

0.06

 ATP secretion to 1 unit/mL thrombin, nmoles

−0.06

0.45

 bPlasma P-selectin levels, pg/L

0.06

0.61

 bPlasma E-selectin levels, pg/L

0.00953

0.93

 cSerum Sertraline levels, pg/L

0.21

0.01

 cSerum N-desmethylsertraline levels, pg/L

0.18

0.03

Serum Sertraline Levels in pg/L

 WBPA to 0.5 mM arachidonic acid, Ω

−0.0089

0.93

 WBPA to 0.25 mM arachidonic acid, Ω

− 0.0650

0.51

 WBPA to 20 μM ADP, Ω

−0.1092

0.35

 WBPA to 10 μM ADP, Ω

0.0341

0.7

 WBPA to 2 μg/mL collagen, Ω

−0.0154

0.88

 ATP secretion to 0.5 mM arachidonic acid, nmoles

−0.08725

0.38

 ATP secretion to 0.25 mM arachidonic acid, nmoles

− 0.1472

0.14

 ATP secretion to 2 μg/mL collagen, nmoles

− 0.1513

0.12

 ATP secretion to 1 unit/mL thrombin, nmoles

−0.2200

0.03

 bPlasma P-selectin levels, pg/L

−0.0946

0.50

 bPlasma E-selectin levels, pg/L

−0.2076

0.14

Serum N-desmethylsertraline levels in pg/L

 WBPA to 0.5 mM arachidonic acid, Ω

− 0.0045

0.96

 WBPA to 0.25 mM arachidonic acid, Ω

− 0.0553

0.59

 WBPA to 20 μM ADP, Ω

−0.1063

0.37

 WBPA to 10 μM ADP, Ω

0.0510

0.60

 WBPA to 2 μg/mL collagen, Ω

−0.0164

0.87

 ATP secretion to 0.5 mM arachidonic acid, nmoles

−0.0789

0.43

 ATP secretion to 0.25 mM arachidonic acid, nmoles

−0.1237

0.22

 ATP secretion to 2 μg/mL collagen, nmoles

−0.1287

0.20

 ATP secretion to 1 unit/mL thrombin, nmoles

−0.2012

0.04

 bPlasma P-selectin levels, pg/L

−0.0554

0.40

 bPlasma E-selectin levels, pg/L

−0.2166

0.12

  1. Abbreviations: ADP Adenosine diphosphate, ATP Adenosine triphosphate, QIDS-SR16 6-item Quick Inventory for Depression Symptomatology Self-Report, WBPA- whole blood platelet aggregation, Ω, ohms
  2. aBaseline (visit 1) values were used for the QIDS- SR16
  3. bPlasma samples available on 90 participants at randomization (Visit 1) and 50 participants at study exit (Visit 6) for P-selectin and E-selectin
  4. cSerum samples available on 140 participants at study exit (Visit 6) for Sertraline and N-desmethylsertraline levels