Relationship among methadone dose, polymorphisms of dopamine D2 receptor and tri-dimensional personality questionnaire in heroin-addicted patients

Table 3 Data among subjects with different borderline index

Borderline index	Age, year Mean (SD) [range]	Mean methadone dose, mg/day Mean (SD) [range]
≦10, N = 56	39.3 (6.8) [21–55]	62.5a (20.8) [15–95]
11–20, N = 55	39.5 (9.4) [26–57]	55.8b (26.6) [3–140]
≧21, N = 27	38.8 (7.2) [27–52]	47.0c (29.4) [5–90]
F	0.072	3.489
p value	0.90	0.04^a

^a Multiple comparisons by Scheffe’s method show F = 1.945, p = 0.12 (a vs. b); F = 6.835, p = 0.03 (a vs. c) and F = 2.192, p = 0.12 (b vs. c), respectively

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