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. 2017 Aug 16;17:566. doi: 10.1186/s12913-017-2517-4

Table 1.

Research publications by calendar year

Year Publications
Total Mean (sd)a Median (IQR)b
2013 210 14.3 (9.4) 13 (19)
2014 279 23.6 (17.7) 18 (36)
2015 309 25.7 (17.4) 19 (39)

aOne-way between year ANOVA F(2795) = 34.23, p < 0.001

bMood’s Median χ2(2) = 17.89, P < 0.001