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Table 7 Geometric mean values and the 95% confidence interval for semen characteristics by region.

From: Fertility in four regions spanning large contrasts in serum levels of widespread persistent organochlorines: a cross-sectional study

 

Warsaw

Kharkiv

Greenland

Swedena

P overall, crude/ adjustedb

Sperm concentration, mill/ml

51 (44;58)

55 (49;61)

57 (50;64)

45 (39;52)

0.04/0.08

   Urogenital infections

23 (14; 40)

50 (30;82)

53 (47; 60)

44 (33;58)

0.22/0.02

   No urogenital infection

54 (47;62)

56 (50;64)

62 (46; 83)

47 (40;54)

0.07/0.19

Sperm countc, millions

164 (142;188)

179 (155;206)

180 (156;207)

146 (123;173)

0.08/0.22

Motile spermatozoad, %

60 (57; 63)

54 (52; 57)

55 (52; 58)

56 (53; 60)

0.02/0.02

Normal morphology, %

6.7 (6.2;7.3)

7.1 (6.5;7.6)

7.1 (6.5;7.6)

7.9 (7.2;8.7)

0.07/0.07

  1. Figures in bold indicate p < 0.05 in pair-wise comparisons with the Warsaw sample as reference (Dunnett method).
  2. a) Men that have ever fathered a child.
  3. b) Period of abstinence, count values only.|
  4. c) Restricted to men reporting no spillage.
  5. d) Arithmetical mean values.
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Environmental Health

ISSN: 1476-069X