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Table 5 Difference between women who had positive clinical pregnancy outcome in repeat IVF/ICSI cycle and women who did not regarding initial characteristics

From: Role of routine hysteroscopy in previous failed ICSI: a continuous clinical dilemma

 Positive clinical pregnancy
(n = 39)
Negative clinical pregnancy
(n = 61)
MD (95% CI)P
Age (years)    
 Mean ± SD30.69 ± 4.4230.93 ± 4.25(− 1.5 to 2.01)NS
Duration of infertility (years)    
 Range4–114–11− 0.250.586a
 Mean ± SD7.49 ± 2.167.23 ± 2.38(− 1.19 to 0.67)NS
No. of previous failed IVF/ICSI trials    
 Range1–31–3− 0.040.854b
 Median (IQR)2 (1–3)2 (1–3)(− 0.37 to 0.30)NS
  1. Data presented as range, mean ± SD; or range, median (IQR). MD (95% CI): mean difference and its 95% confidence interval
  2. IVF in vitro fertilization, ICSI intracytoplasmic sperm injection, SD standard deviation, IQR interquartile range, NS non-significant
  3. aAnalysis using independent student’s t test
  4. bAnalysis using Mann-Whitney’s U test