Further improvement of our metrics—will plan S affect them?

Figures & data

Figure 1. Impact factor or CiteScore of Upsala Journal of Medical Sciences.

Figure 2. Viewings on Taylor & Francis correlate to total citations.

Table 1. Non-open access journals: impact factors.

Non-open access journals	IF 2009	IF 2018	Factor change
New England Journal of Medicine	47.050	70.670	1.50
The Lancet	30.758	59.102	1.92
Journal of Clinical Investigation	15.387	12.282	0.80
Diabetologia	6.551	7.113	1.09
Diabetes	8.585	7.199	0.84
Endocrinology	4.752	3.800	0.80
EMBO Journal	8.993	11.227	1.25
PNAS	9.432	9.580	1.02
Amyloid	2.115	4.919	2.33
Acta Oncologica	2.265	3.298	1.46

Mean factor change: 1.30 ± 0.16.

Table 2. Open access journals: impact factors.

Open access journals	IF 2009	IF 2018	Factor change
PLoS One	4.351	2.776	0.64
PLoS Medicine	13.050	11.048	0.85
PLoS Biology	12.916	8.386	0.65
BMC Biology	5.636	6.723	1.19
BMC Medicine	3.985	8.285	2.08
Virology Journal	2.435	2.464	1.01
Chinese Medical Journal	0.952	1.555	1.63
Swiss Medical Weekly	1.681	1.821	1.08
Journal of Translational Medicine	3.407	4.098	1.20
Upsala Journal of Medical Sciences	0.733	2.747	3.75

Mean factor change: 1.41 ± 0.30.