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. Author manuscript; available in PMC: 2009 Apr 1.
Published in final edited form as: Hypertension. 2008 Mar 10;51(4):841–847. doi: 10.1161/HYPERTENSIONAHA.107.101659

Table 1.

Description of Patients and Visits Included in Analyses

Variable Age of Patient, y
Total
15 to 3 40 to 49 50 to 59 60 to 69 70 to 79 ≥80
Per patient description
  Women, n (%) 76 (57.1) 123 (48.1) 217 (48.4) 337 (52.0) 451 (55.7) 188 (64.4) 1392 (53.8)
  No. of visits* 2 (1, 3) 2 (1, 3) 2 (1, 3) 2 (1, 4) 3 (2, 4) 3 (2, 4) 2 (1, 4)
  ≥2 visits, n (%) 77 (57.9) 155 (60.6) 283 (63.2) 442 (68.2) 640 (79.0) 223 (76.4) 1820 (70.4)
   Days between visit* 16 (5, 67) 15 (2, 57) 18 (2, 70) 12 (2, 61) 7 (1, 51) 14 (2, 62) 12 (2, 58)
  High SBP at ≥1 visit, n (%) 34 (25.6) 97 (37.9) 204 (45.5) 396 (61.1) 582 (71.9) 236 (80.8) 1549 (59.9)
  High DBP at ≥1 visit, n (%) 30 (22.6) 72 (28.1) 75 (16.7) 64 (9.9) 57 (7.0) 17 (5.8) 315 (12.2)
  High SBP or DBP at ≥1 visit, n (%) 44 (33.1) 112 (43.8) 213 (47.5) 398 (61.4) 585 (72.2) 236 (80.8) 1588 (61.4)
  High SBP or DBP at last visit, n (%) 25 (18.8) 66 (25.8) 134 (29.9) 259 (40.0) 376 (46.4) 165 (56.5) 1025 (39.6)
  Total, n (%) 133 (5.1) 256 (9.9) 448 (17.3) 648 (25.1) 810 (31.3) 292 (11.3) 2587 (100.0)
Per visit description, mean (SD)
  No. of medications 1.41 (0.65) 1.83 (1.30) 1.79 (1.01) 1.90 (1.12) 1.93 (1.06) 1.82 (0.90) 1.86 (1.06)
  Total intensity 0.55 (0.49) 0.81 (0.89) 0.76 (0.67) 0.79 (0.66) 0.77 (0.62) 0.68 (0.56) 0.76 (0.66)
  SBP, mm Hg 122.8 (17.0) 132.2 (20.1) 134.4 (20.0) 139.5 (20.0) 142.9 (20.8) 149.2 (23.0) 139.7 (21.5)
  DBP, mm Hg 77.8 (11.8) 81.0 (12.8) 75.9 (10.8) 71.9 (10.6) 68.0 (11.0) 64.7 (10.7) 71.3 (12.1)
  Total, n (%) 364 (4.3) 775 (9.1) 1362 (16.0) 2012 (23.6) 2869 (33.6) 1145 (13.4) 8527 (100.0)

SBP indicates systolic BP; DBP, diastolic BP.

*

These values are reported as the median (25th percentile, 75th percentile).

High SBP is defined as ≥140 mm Hg; high DBP is defined as ≥90 mm Hg.