Table 3.

Single element F₁ performance; percentage of articles screened at F₁.

SR report topic	TI F1 (%)	AB F1 (%)	PT F1 (%)	AU F1 (%)	MH F1 (%)
ACE inhibitors	0.3444 (4)	0.3121 (4)	0.2182 (<1)	0.1872 (6)	0.2368 (1)
ADHD	0.2885 (10)	0.3824 (6)	0.2963 (<1)	0.0909 (<1)	0.5556 (4)
Antihistamines	0.2593 (12)	0.4000 (3)	0.2759 (<1)	0.1111 (<1)	0.3333 (3)
Atypical antipsychotics	0.3447 (26)	0.4248 (14)	0.4363 (5, 12a)	0.0135 (<1)	0.3113 (40)
Beta blockers	0.1972 (1)	0.2710 (5)	0.2105 (<1)	0.0417 (<1)	0.0957 (19)
Calcium channel blockers	0.2026 (10)	0.2672 (11)	0.2662 (15)	0.1261 (9)	0.2579 (2)
Estrogens	0.5140 (36)	0.5612 (29)	0.4937 (18)	0.0244 (<1)	0.5536 (39)
NSAIDS	0.4368 (34)	0.5870 (13)	0.6761 (8)	0.4853 (24)	0.3650 (24)
Opioids	0.2727 (<1)	0.1429 (<1)	0.2222 (<1)	0.1111 (<1)	0.2500 (<1)
Oral hypoglycemics	0.4509 (88)	0.4603 (76)	0.5019 (78)	0.0145 (<1)	0.4527 (53)
Proton pump inhibitors	0.3333 (1)	0.3860 (5)	0.1299 (42)	0.0377 (<1)	0.1775 (25)
Skeletal muscle relaxants	0.1429 (<1)	0.1981 (<1)	0.2286 (2)	0.1429 (<1)	0.2222 (<1)
Statins	0.2278 (6)	0.2479 (1)	0.4019 (4)	0.1484 (12)	0.1563 (1)
Triptans	0.1739 (10)	0.360 (4)	0.2569 (13)	0.0690 (<1)	0.2750 (8)
Urinary incontinence	0.3697 (24)	0.5243 (19)	0.5405 (10)	0.4444 (13)	0.4317 (30)
Averageb	0.3039 (18)	0.3683 (13)	0.3437 (14)	0.1365 (5)	0.3116 (17)

^aBoth 5% and 12% have F₁ = 0.4363. The average of 5% and 12% (8.5%) is taken to calculate the average value on the last row of the table.

^b<1% is considered as 1% for calculating the average percentage.