Table 2.
Overall summary of systolic and diastolic blood pressure in the 6 months before death among patients residing in a VA nursing home between 1 October 2006 and 30 September 2017 (n = 17,953)
| Mean | (SD) | Median | (Q1–Q3) | Range | |
|---|---|---|---|---|---|
| Systolic blood pressure (n = 2,458,841) | |||||
| Per individuala, mm Hg | 125.7 | (13.3) | 125.1 | (116.3–134.4) | (80.7–191.7) |
| Shannon entropy (bits) | 5.0 | (0.9) | 5.3 | (4.7–5.6) | (0.9–6.9) |
| Variation | |||||
| SD | 16.2 | (4.3) | 15.8 | (13.2–18.8) | (2.0–44.1) |
| Adjusted MSEb | 16.0 | (4.2) | 15.5 | (13.1–18.4) | (2.4–41.8) |
| Diastolic blood pressure (n = 2,456,225) | |||||
| Per individuala, mm Hg | 68.6 | (6.8) | 68.4 | (64.0–72.9) | (37.4–99.6) |
| Shannon entropy (bits) | 4.6 | (0.7) | 4.7 | (4.3–5.0) | (1.4–6.3) |
| Variation | |||||
| SD | 9.5 | (2.3) | 9.3 | (8.0–10.8) | (1.5–30.1) |
| Adjusted MSEb | 9.4 | (2.2) | 9.2 | (7.9–10.7) | (1.8–28.4) |
Abbreviations: MSE = mean squared error; Q1–Q3 = interquartile range.
aOverall average for a patient.
bAdjusted for time of day, day of week, and month of year with a random effect for person.