Effects of Simplified Antihypertensive Treatment Algorithm on Hypertension Management and Hypertension-Related Death in Resource-Constricted Primary Care Setting between 1997 and 2017

Table 3

Trends in blood pressure in study population between 1998 and 2015 (mmHg).

	1998–2000	2007-2008	2015	F/ value
	Mean (95% CI)	Mean (95% CI)	Mean (95% CI)
Total population
SBP	144.4 (142.9, 145.9^)ab	133.7 (132.7, 134.7)^c	127.7 (126.8, 128.5)^abc	209.45/<0.001
DBP	89.6 (88.8, 90.4)^ab	85.8 (85.2, 86.4)^b	76.4 (76.0, 76.9)^ab	466.35/<0.001
Hypertensives treated
SBP	181.3 (175.4, 187.3)^ab	161.1 (157.8, 164.5)^c	147.6 (144.8, 150.4)^abc	58.59/<0.001
DBP	106.3 (102.7, 110.0)^ab	98.3 (96.4, 100.3)^c	85.0 (83.2, 86.8)^abc	77.90/<0.001
Hypertensives untreated
SBP	161.4 (159.6, 163.2)^ab	148.7 (147.4, 150.0)^c	153.0 (151.5, 154.4)^abc	77.38/<0.001
DBP	98.9 (97.9, 99.9)^ab	95.2 (94.5, 95.9)^c	88.0 (87.0, 89.0)^abc	119.26/<0.001
Normotensives
SBP	119.3 (118.5, 120.1)^ab	116.8 (116.2, 117.5)^c	117.9 (117.4, 118.4)^abc	11.35/<0.001
DBP	76.4 (75.8, 77.0)^b	76.2 (75.8, 76.7)^c	72.1 (71.7, 72.5)^bc	128.16/<0.001

SBP: systolic blood pressure, DBP: diastolic blood pressure. ^a1998–2000 vs. 2007-2008, ^b1998–2000 vs. 2015, ^c2007-2008 vs. 2015.