Table 1.

Characteristics of included studies.

S. no.	Author	Sample size	Population studied	Study design	Duration of follow-up	Test group	Control group
(1)	Bharani et al., 2002 [14]	58	Male with stable angina (NYHA class II-III)	Randomized crossover placebo controlled trial	4 weeks	Terminalia arjuna (500 mg TDS)	Isosorbide mononitrate (20 mg BD)
(2)	Kumar et al., 1999 [13]	20	Adult with stable angina	Open comparative trial	12 weeks	Hartone 2 cap BD for 6 months, 1 cap BD for next 6 months	Isosorbide mononitrate (20 mg BD)
(3)	Dwivedi and Jauhari, 1997 [15]	24	Adult with stable angina (NYHA-IV)	Randomised controlled trial	12 weeks	Conventional + Terminalia arjuna	Conventional
(4)	Dwivedi and Agarwal, 1994 [16]	20	Adult with stable and unstable angina	Before and after treatment comparison	12 weeks	500 mg Terminalia arjuna BD	—
(5)	Jain et al., 1992 [17]	25	Adult with stable angina	Before and after treatment comparison	12 weeks	Conventional + Terminalia arjuna 500 mg BD	—