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. 2017 Jul 24;24(3):136–145. doi: 10.1159/000477151

Table 1.

Anxiety-related profiles of late adolescent Wistar and WKY rats in elevated plus maze during different phases of the estrous cycle

Variables D1 + D2
P + E
WIS WKY WIS WKY
Time, %
 Open arm 14.16±1.08 15.28±4.91 45.18±4.10$$$ 25.28±2.37**
 Closed arm 69.26±5.04 83.83±4.66 32.92±2.48$$$ 51.99±4.83*, $$$
Entries, %
 Open arm 41.87±3.67 28.88±2.11 60.10±2.77$$ 42.55±6.64*
 Closed arm 55.76±3.43 71.12±2.11** 42.28±1.69$ 66.30±5.63***
Anxiety index 0.71±0.02 0.79±0.03 0.49±0.03$$$ 0.67±0.06**
Locomotion, m 16.33±1.68 16.15±1.63 20.24±2.02 19.87±2.74
Ethological parameters, n
 Nose dips 7.17±0.75 6.80±0.86 11.43±1.29$ 7.17±0.87*
 Rearings 10.00±1.08 24.40±3.12*** 14.20±1.07 14.50±1.44$$
 Stretch-attend postures 1.80±0.20 2.75±0.25 0.33±0.21$$ 3.25±0.48**

Data are expressed as mean ± SEM. n = 6 in each group. One-way ANOVA.

*

Indicates significant differences between the strains – Wistar (WIS) and Wistar Kyoto (WKY) during diestrus (D1 + D2) and proestrusestrus (P + E) phases of estrous cycle.

**

Indicates significant differences between the strains – Wistar (WIS) and Wistar Kyoto (WKY) during diestrus (D1 + D2) and proestrusestrus (P + E) phases of estrous cycle.

***

Indicates significant differences between the strains – Wistar (WIS) and Wistar Kyoto (WKY) during diestrus (D1 + D2) and proestrusestrus (P + E) phases of estrous cycle.

$

Indicates significant differences in the same strain during diestrus (D1 + D2) and proestrus-estrus (P + E) phases of estrous cycle. p < 0.05, p < 0.01, p < 0.001.

$$

Indicates significant differences in the same strain during diestrus (D1 + D2) and proestrus-estrus (P + E) phases of estrous cycle. p < 0.05, p < 0.01, p < 0.001.

$$$

Indicates significant differences in the same strain during diestrus (D1 + D2) and proestrus-estrus (P + E) phases of estrous cycle. p < 0.05, p < 0.01, p < 0.001.