Table 1.

Group-averaged systolic and diastolic blood pressures over different intervals in mice fed a normal or high-Na⁺ diet

	24 Hour	Light	Dark	Active	Rest
Normal Na+ diet (LFD: N = 6 mice and HFD: N = 4 mice)
Systolic blood pressure
LFD	124.4 ± 0.7	117.9 ± 0.6	132.8 ± 0.9	134.5 ± 1.0	118.2 ± 1.0
HFD	129.4 ± 1.0*	122.0 ± 1.1*	136.7 ± 1.1*	136.2 ± 1.3	124.8 ± 1.0*
Diastolic blood pressure
LFD	97.1 ± 0.5	91.0 ± 0.6	103.0 ± 0.6	104.4 ± 0.7	91.0 ± 0.6
HFD	99.0 ± 0.7*	93.1 ± 0.6*	104.9 ± 1.0	104.6 ± 1.0	95.0 ± 0.6*
High Na+ diet (LFD: N = 6 mice and HFD N = 4 mice)
Systolic blood pressure
LFD	128.6 ± 0.6	121.0 ± 0.5	136.8 ± 0.7	137.8 ± 0.6	126.2 ± 0.6
HFD	133.9 ± 1.0*	127.1 ± 1.3*	140.5 ± 1.2*	141.4 ± 1.2*	130.5 ± 1.3*
Diastolic blood pressure
LFD	99.0 ± 0.4	93.0 ± 0.6	105.9 ± 0.5	106.9 ± 0.6	97.1 ± 0.5
HFD	103.6 ± 1.6*	97.7 ± 1.7*	109.5 ± 1.7*	110.1 ± 1.7*	100.7 ± 1.6*

Values are means ± SE.

LFD, low-fat diet; HFD, high-fat diet.

^*P < 0.05 compared with LFD-fed mice.