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Table 8 The means of sex hormones among tramadol-only abusers compared to tramadol and other substance abusers

From: Association between male sex hormones and tramadol abuse

Sex hormone Tramadol only
N = 26
Tramadol and other substances
N = 41
p-value
Total testosterone (ng/ml) 4.62 ± 2.08 5.53 ± 1.97 0.06
LH (m IU/ml) 4.3 ± 2.77 4.9 ± 2.19 0.33
FSH (m IU/ml) 3.68 ± 2.55 3.8 ± 3.01 0.86
  1. P-value of independent T-test < 0.05* is statistically significant. N = number. Normal range for total testosterone (2.62–15.9 ng/ml), for LH (1.7–11.2 m IU/ml), for FSH (2.0–18.6m IU/ml)