Table 2 Plasma concentrations of Trp metabolites in healthy controls and interbout period of cluster headache patients

57,737.78 ± 21,948.78

50,965.09 ± 18,854.21

0.601

2059.42 ± 720.39

1668.05 ± 526.45

0.010

43.56 ± 26.30

39.49 ± 16.14

0.497

44.18 ± 34.48

35.25 ± 20.56

0.229

41.03 ± 15.78

44.31 ± 12.96

0.530

15.41 ± 10.81

13.90 ± 8.92

0.174

49.18 ± 32.17

53.69 ± 31.54

0.320

48.20 ± 34.74

34.96 ± 24.57

0.296

431.58 ± 233.42

453.82 ± 180.95

0.005

43.72 ± 311.28

216.34 ± 229.24

0.157

42.59 ± 21.55

43.89 ± 191.80

0.143