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Table 1 Effects of left, right or bilateral peritoneum perforation (PP) performed at 13:00 h of diestrus 1, diestrus 2 or proestrus on estradiol serum levels (pg/ml) measured one hour after surgery. Data are represented by means ± SEM.

From: The role of the muscarinic system in regulating estradiol secretion varies during the estrous cycle: the hemiovariectomized rat model

Group N Diestrus 1 N Diestrus 2 N Proestrus
Control 18 55.3 ± 8.0 20 59.1 ± 7.9 15 158.4 ± 10.8
Left PP 8 25.0 ± 4.5* 10 29.1 ± 8.2* 9 111.1 ± 15.3*
Right PP 11 46.7 ± 7.5 9 109.3 ± 5.5* 10 78.9 ± 8.3*
Bilat. PP 8 76.3 ± 6.5 10 63.3 ± 7.1 9 93.7 ± 16.8*
  1. * p < 0.05 vs. control group (ANOVA followed by Tukey's test)