. 2018 Mar 13;68(669):e286–e292. doi: 10.3399/bjgp18X695501

Table 5.

Mean days with wasted medication per 30 days (rate data), by prescription length

Study or sub-group	30 days			90 days			Mean difference IV, random (95% CI)

	Mean	SD	Total, N	Mean	SD	Total, N
Lipid-lowering medication
Murphy et al (2012)²⁹	0.085	0.9456	12 120	0.114	0.9782	11 910	−0.03 (−0.05 to −0.00)

Antihypertensive medication
Murphy et al (2012)²⁹	0.0997	1.2346	22 977	0.1487	1.1231	17 497	−0.05 (−0.07 to −0.03)

Diabetic medication
Murphy et al (2012)²⁹	0.1438	1.7003	4974	0.2147	0.9758	2484	−0.07 (−0.13 to −0.01)

Antidepressant medication
Murphy et al (2012)²⁹	0.1539	1.3536	9060	0.1426	0.876	3793	0.01 (−0.03 to 0.05)

Thyroid medication
Murphy et al (2012)²⁹	0.252	3.2802	6725	0.383	2.7845	4846	−0.13 (−0.24 to −0.02)

Mixed medications
Jiang et al (2007)²⁶	2.3	1.02	955	2.4	1.02	730	−0.10 (−0.20 to −0.00)

IV = inverse variance. N = the total number of participants evaluated in each arm of the study. SD = standard deviation.