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Table 1 Body weight and cardiovascular and autonomic assessment in male rats (M), female in the non-ovulatory phase of the estrous cycle (FNOV), female in the ovulatory phase of the estrous cycle (FOV), and ovariectomized females (FO)

From: Ovarian status modulates cardiovascular autonomic control and oxidative stress in target organs

 

M

FNOV

FOV

FO

Body weight (g)

381 ± 7

265 ± 5*

266 ± 4*

329 ± 4*,†,‡

SAP (mmHg)

134 ± 2

128 ± 2

137 ± 2

141 ± 3

DAP (mmHg)

100 ± 2

95 ± 2

106 ± 2

103 ± 3

VAR-SAP (mmHg2)

24.8 ± 2.1

24.8 ± 1.4

37.8 ± 9.4*,†

41.6 ± 4.1*,†

LF-SAP (mmHg2)

7.3 ± 0.7

3.9 ± 0.4*

5.1 ± 0.9

7.1 ± 0.8

VAR-PI (ms2)

49.5 ± 5.8

44.5 ± 5.7

65.0 ± 10.0

65.1 ± 9.4

RMSSD (ms)

5.9 ± 0.5

4.8 ± 0.6

7.1 ± 0.6

6.8 ± 0.7

% LF-PI (nu)

26.3 ± 1.4

27.5 ± 2.1

30.7 ± 3.0

36.3 ± 2.3*,†

% HF-PI (nu)

73.7 ± 1.4

72.5 ± 2.1

69.3 ± 3.0

65.6 ± 2.3*

  1. Data are presented as mean ± standard error of the mean. n = 7 animals/group
  2. *p < 0.05 vs. M; p < 0.05 vs. FNOV; p < 0.05 vs. FOV
  3. Abbreviations: SAP systolic arterial pressure, DAP diastolic arterial pressure, VAR-SAP variance of systolic arterial pressure, LF-SAP low-frequency band of systolic arterial pressure, VAR-PI variance of pulse interval, RMSSD root mean square of successive RR interval differences, LF-PI low-frequency band of pulse interval, HF-PI high-frequency band of pulse interval