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. 2013 May 24;305(3):H279–H294. doi: 10.1152/ajpheart.00212.2013

Table 2.

Comparison of 3 vascular profiles: 1 and 2 based on months of monitoring; 3 based on weekends and holidays

Systolic Blood Pressure, mmHg
    Span MESOR 24 h-A 24 h-ϕ (A,ϕ)
        Jan–Aug 2008 142.6 11.76 −246
        Aug 2008–Jan 2009 140.1 13.56 −251
        Holiday (2008–2009) 132.1 12.54 −226
    1 vs. 2 vs. 3
F 32.174 0.440 4.598 2.501
P <0.001 0.645 0.012 0.045
    1 vs. 2
F 4.247 1.029 0.392 0.708
P 0.042 0.313 0.533 0.495
    2 vs. 3
F 29.504 0.246 7.073 3.886
P <0.001 0.621 0.009 0.024
Diastolic Blood Pressure, mmHg
    Span MESOR 24 h-A 24 h-ϕ (A,ϕ)
        Jan–Aug 2008 87.3 5.94 −236
        Aug 2008–Jan 2009 86.9 8.11 −242
        Holiday (2008–2009) 81.9 9.08 −226
    1 vs. 2 vs. 3
F 13.248 1.896 1.129 1.457
P <0.001 0.154 0.327 0.219
    1 vs. 2
F 0.324 5.029 0.618 2.827
P 0.571 0.027 0.434 0.065
    2 vs. 3
F 13.581 0.254 1.740 0.949
P 0.001 0.616 0.192 0.391
Heart Rate, beats/min
    Span MESOR 24 h-A 24 h-ϕ (A,ϕ)
        Jan–Aug 2008 74.9 4.92 −246
        Aug 2008–Jan 2009 75.8 5.28 −253
        Holiday (2008–2009) 69.6 7.95 −253
    1 vs. 2 vs. 3
F 21.029 2.543 0.146 1.355
P <0.001 0.082 0.865 0.253
    1 vs. 2
F 0.785 0.053 0.187 0.120
P 0.378 0.819 0.667 0.887
    2 vs. 3
F 37.279 3.392 0.001 1.697
P <0.001 0.069 0.975 0.189

A, amplitude; ϕ, acrophase, expressed in (negative) degrees, with 360° ≡ 24 h, 0° = 00:00. Results from parameter tests (5). For this time-microscopic assessment, the data during the 4 days of vacation in span 3 were removed from span 2 before analysis. MESOR, a midline-estimating statistic of rhythm.