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Table 1 Clinical characteristics of hypertensive patients according to duration of hypertension

From: Assessment of left ventricular geometrical patterns and function among hypertensive patients at a tertiary hospital, Northern Tanzania

Clinical parameter All (n=227) Duration of hypertension p value
   Early (n=44) Intermediate (n=101) Long term (n=82)  
Age (years ± SD) 61.0 ± 11.3 55.3 ± 10.9 59.6 ± 10.5 65.8 ± 10.8 <0.001
Age group: < 50 years [n(%)] 38 (16.7) 14 (36.8) 18 (47.4) 6 (15.8) <0.001
Age group: 50 – 69 years [n(%)] 127 (55.9) 24 (18.9) 63 (49.6) 40 (31.5)  
Age group: ≥70 years [n(%)] 62 (27.3) 6 (9.7) 20 (32.3) 36 (58.1)  
Male sex [n(%)] 84 (37.0) 18 (21.4) 32 (38.1) 34 (40.5) 0.331
Female sex [n(%)] 143 (63.0) 26 (18.2) 69 (48.3) 48 (33.6)  
BMI (kg/m2 ± SD) 27.6 ± 5.3 27.5 ± 5.1 27.5 ± 5.6 27.8 ± 5.1 0.91
BSA (m2 ± SD) 1.75 ± 0.17 1.79 ± 0.20 1.74 ± 0.16 1.73 ± 0.16 0.129
SBP (mmHg ± SD) 161.2 ± 19.08 157.7 ± 17.50 162.57 ± 8.09 161.22 ± 20.99 0.373
DBP (mmHg ± SD) 97.27 ± 10.41 98.64 ± 9.77 97.43 ± 11.46 96.34 ± 9.36 0.491
PP (mmHg ± SD) 63.88 ± 16.59 59.09 ± 4.28 65.15 ± 16.53 64.88 ± 17.52 0.102
MAP (mmHg ± SD) 118.56 ± 1.51 118.33 ± 0.99 119.14 ± 11.66 11.97 ± 11.71 0.783
  1. BMI=Body Mass Index, BSA=Body Surface Area, SBP=Systolic Blood Pressure, DBP=Diastolic Blood Pressure, PP=Pulse Pressure, MAP=Mean Arterial Blood Pressure.