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Table 5 Impact of patient factors (Model 1) and patient and treatment factors (Model 2) on the odds of Clinical pregnancy per cycle

From: Number of motile spermatozoa inseminated and pregnancy outcomes in intrauterine insemination

  Model 1
N = 1795 Cycles from 626 Couples
Model 2
N = 1667 from 588 Couples
OR 95%CI P-Value OR 95%CI P-Value
Female Age (Years)
  0.97 0.94–1.01 0.11 0.97 0.93–1.00 0.056
NMSI
  < 1 0.18 0.04–0.77 0.021 0.20 0.05–0.91 0.036
 1–4 0.87 0.55–1.40 0.57 0.81 0.49–1.34 0.42
 5–9 0.77 0.48–1.24 0.29 0.77 0.47–1.27 0.31
  ≥ 10 Ref Ref
Duration of Infertility (Months)
  < 12 Ref Ref
 12–23 0.86 0.52–1.42 0.56 0.98 0.59–1.65 0.95
 24–35 0.99 0.58–1.67 0.96 0.99 0.57–1.70 0.97
  ≥ 36 0.60 0.34, 1.07 0.081 0.61 0.34–1.12 0.11
Cause of Infertility
 Unexplained 0.95 0.69–1.32 0.760.87 0.87 0.62–1.23 0.43
 Male & Female Factor 0.52 0.19–1.46 0.21 0.58 0.21–1.59 0.29
 Male Factor 0.64 0.41–0.99 0.045 0.52 0.33–0.83 0.006
 Female Factor Ref Ref
Number of Follicles
 1     0.59 0.39–0.89 0.011
 2     0.76 0.51–1.14 0.18
 3     1.04 0.67–1.61 0.87
  ≥ 4     Ref
OS Drug Used
 None     0.52 0.18–1.50 0.22
 Clomid or Letrozole     0.51 0.31–0.85 0.010
 Gonadotropin     Ref
  1. Model 1: adjusted for patient factors only
  2. Model 2: adjusted for both patient and care-related factors
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