Table 3.

Estimated Effects of Triamterene on Diastolic BP by Drug Class: Hydrochlorothiazide (HCTZ), Angiotensin-converting Enzyme (ACE) Inhibitor, Beta-blocker (BB), Calcium Channel Blocker (CCB)

Drug combinations	Number of patients who did not receive triamterene	Mean DBP of patients who did not receive triamterene (SD)	Number of patients who received triamterene	Mean DBP of patients who received triamterene (SD)	Estimated effect on diastolic BP from propensity score analysis (SD)	p value
HCTZ	1867	81.27 (10.13)	498	79.74 (9.47)	0.90 (0.55)	0.1029
HCTZ + ACE	1870	79.57 (10.51)	255	79.06 (9.62)	0.002 (0.94)	0.9981
HCTZ + ACE + CCB	1174	81.95 (11.05)	239	80.75 (9.72)	0.87 (1.09)	0.4248
HCTZ + ACE + BB + CCB	1229	80.94 (11.25)	270	80.26 (10.42)	1.20 (0.71)	0.0914
All drug combinations	14,159	80.18 (10.82)	3131	80.11 (10.18)	0.06 (0.20)	0.7733