Research Article

Target Organ Damage and the Long Term Effect of Nonadherence to Clinical Practice Guidelines in Patients with Hypertension: A Retrospective Cohort Study

Table 4

Predictors of the target organ damage due to hypertension: multivariate cox regression.

Variables Complication (yes)Complication (no)CHR (95%)AHR (95% CI)

Sex (Male)126 (20.59)145 (23.69)0.902 (0.693–1.174)0.768 (0.563–1.145)
Residence (rural)78 (12.75)75 (12.25)1.245 (0.923–1.679)1.261 (0.824–1.759)
Presence of comorbidities118 (19.3)104 (16.99)1.073 (1.01–1.437)1.596 (1.174–1.637)
HTN (diastolic)21 (3.43)29 (4.74)0.782 (0.57–1.087)0.635 (0.448–1.536)
Both179 (29.25)223 (36.44)0.713 (0.387–1.831)0.526 (0.327–1.725)
Duration of appointment
 Two months118 (19.28)146 (23.6)2.167 (0.295–5.19)4.548 (0.591–6.423)
 ≥Three months35 (5.72)77 (12.58)1.176 (0.776–1.781)1.094 (0.709–1.689)
 Controlled BP199 (32.52)282 (46.10)0.605 (0.411–0.839)0.771 (0.507–0.974)
 Discordant with JNC176 (28.76)279 (45.59)1.537 (1.167–2.024)1.636 (1.189–2.251)
 Absence of regimen change191 (31.21)312 (50.98)1.702 (1.240–2.336)1.857 (1.325–2.602)
Therapy
 Dual therapy138 (22.55)153 (25.0)0.832 (0.642–1.080)0.79 (0.473–1.786)
 Triple therapy56 (9.15)53 (8.66)0.715 (0.511–1.001)1.317 (0.629–1.852)
Age
 31–4032 (5.23)41 (6.70)0.75 (0.349–1.612)0.732 (0.332–1.617)
 41–5044 (7.19)53 (8.66)0.995 (0.621–1.594)0.975 (0.599–1.587)
 51–6060 (9.80)98 (16.01)0.89 (0.573–1.382)0.745 (0.587–1.536)
 61–7064 (10.46)82 (13.40)0.797 (0.534–1.190)0.862 (0.512–1.163)
 ≥7047 (7.68)53 (8.66)0.904 (0.607–1.347)0.836 (0.477–1.421)
Duration of hypertension
 Three years and below19 (3.10)41 (6.70)11
 Four years14 (2.29)25 (4.10)1.216 [0.823–2.572]1.211 [0.584–2.635]
 Five years70 (11.44)108 (17.65)1.276 [0.815–3.265]1.355 [0.674–3.481]
 Six years105 (17.16)136 (22.22)1.241 [0.736–2.341]1.316 [0.622–2.415]
 Seven years39 (6.37)55 (8.99)2.592 [2.35–6.332]2.716 [1.632–7.082]
Class of hypertensive medications
 ACIES15 (2.45)27 (4.41)11
 BBCs20 (3.27)24 (3.92)2.951 [2.651–5.535]2.974 [2.631–7.072]
 CCBs17 (2.78)21 (3.43)0.614 [0.143–2.639]0.517 [0.137–2.174]
 Diuretics14 (2.29)25 (4.08)1.654 [0.727–3.974]1.521 [0.689–3.454]
 Diuretics + ACEIs70 (11.44)80 (13.07)1.375 [0.146–3.369]1.528 [0.636–3.158]
 Diuretics + β-blocker68 (11.11)73 (11.93)1.146 [0.765–2.321]1.256 [0.674–2.117]
 B-blockers + ACEIs + diuretics56 (9.15)53 (8.66)1.248 [0.436–2.773]1.210 [0.481–2.576]
 Other combinations21 (3.43)28 (4.57)1.431 [0.726–2.372]1.431 [0.783–2.541]

ACEIS: angiotensin convertase inhibitors, CCBs: calcium channel blockers, BBCs: beta-blockers, CHR: crude hazard ratio, and AHR: adjusted hazard ratio, significant at 0.05 level. Female, urban residence, absence of comorbidity, systolic hypertension, one-month duration of appointment, uncontrolled BP, concordance with guidelines, presence of regimen change, monotherapy, and age between 21 and 30 were our reference variables. indicates significance at 0.01 level.