Table 2.
The comparison of office BP and home BP. a) Comparison between from January to March 2020 and during the state of emergency in 748 patients. b) Comparison between from April to June 2019, from January to March 2020, and during the state of emergency in 567 patients.
| Jan–Mar in 2020 | During the state of emergency | p value by paired t-test | |
|---|---|---|---|
| a) BP | |||
| In office (n = 748) | |||
| SBP (mmHg) | 136.5 ± 17.5 | 138.6 ± 18.6 | <0.001a |
| DBP (mmHg) | 78.2 ± 12.0 | 79.0 ± 12.2 | 0.03a |
| MAP (mmHg) | 97.6 ± 12.0 | 98.9 ± 12.5 | 0.002 |
| The achievement rate of target BP (n = 712) | 207 (29%) | 202 (28%) | 0.77b |
| At home (n = 535) | |||
| SBP (mmHg) | 128.2 ± 10.3 | 126.9 ± 10.2 | <0.001a |
| DBP (mmHg) | 75.8 ± 8.8 | 75.2 ± 9.0 | 0.01a |
| MAP (mmHg) | 93.3 ± 7.9 | 92.5 ± 8.1 | 0.001 |
| The achievement rate of target BP (n = 516) | 123 (24%) | 160 (31%) | <0.001b |
| b) BP distribution | |||
| Controlled | 71 (13%) | 72 (13%) | <0.001c |
| White-coat | 70 (13%) | 91 (17%) | |
| Masked | 83 (16%) | 67 (13%) | |
| Sustained | 313 (58%) | 307 (57%) | |
| Apr–Jun in 2019 | Jan–Mar in 2020 | During the state of emergency | p value | p value by post-hoc analysis with Bonferroni method | |
|---|---|---|---|---|---|
| In office (n = 567) | |||||
| SBP (mmHg) | 136.2 ± 16.9 | 137.5 ± 17.7 | 140.3 ± 18.6 | <0.001d | <0.001e, <0.001f |
| DBP (mmHg) | 77.6 ± 11.9 | 78.3 ± 11.9 | 76.2 ± 12.4 | <0.001d | 0.007e |
| MAP (mmHg) | 99.0 ± 11.2 | 99.5 ± 11.3 | 101.4 ± 11.9 | <0.001d | <0.001e, 0.002f |
| The achievement rate of target BP | 182 (32%) | 163 (29%) | 145 (26%) | 0.008g | 0.006e |
| At home (n = 347) | |||||
| SBP (mmHg) | 129.0 ± 8.8 | 128.3 ± 9.2 | 127.0 ± 9.2 | <0.001d | <0.001e, <0.001f |
| DBP (mmHg) | 75.7 ± 9.2 | 75.8 ± 7.9 | 75.1 ± 8.3 | <0.001d | 0.005f |
| MAP (mmHg) | 93.5 ± 7.8 | 93.3 ± 6.9 | 92.5 ± 7.2 | <0.001d | 0.008e, <0.001f |
| The achievement rate of target BP | 64 (18%) | 81 (23%) | 109 (31%) | <0.001g | <0.001e, 0.001f |
Data shown are mean ± standard deviation, or numbers (%).
Among patients with diabetes mellitus, cerebro- or cardio-vascular disease, chronic kidney disease with proteinuria, or under 75 years old, each group were identified as controlled hypertension group, office BP < 130/80 and at home BP < 125/75 mmHg; masked hypertension group, office BP < 130/80 and home BP ≥ 125/75 mmHg; white coat hypertension group, office BP ≧ 130/80 and home BP < 125/75 mmHg; and sustained hypertension group, office BP ≥ 130/80 and home BP ≥ 125/75 mmHg. Among the rest patients other than described above, 10 mmHg was added to the BP thresholds in office and at home. These thresholds were considered as the level of the target BP.
ANOVA analysis of variance, DBP diastolic blood pressure, MAP mean arterial pressure, SBP systolic blood pressure.
aPaired t-test.
bMcNemar’s test.
cChi-square test in Table 2a.
dOne-way repeated ANOVA.
eComparison between from April to June 2019 and during the state of emergency
fComparison between from January to March 2020 and during the state of emergency
gCochran Q test in Table 2b.