MIT Press

Table 2.

Link-based metric values according to whether a journal is indexed in Scopus

Link-based metrics	Nonindexed journals (N = 193)				Indexed journals (N = 158)		p-value
	New journals (N = 141)		Established journals (N = 52)		Indexed journals (N = 158)
	Mean	Median	Mean	Median	Mean	Median
Target—Links counts (T)	896.6	34.0	391.9	188.5	2,665.2	503.0	< 0.0001*
Target—Links counts (TF25)	854.9	3.0	98.7	47.0	306.6	140.0	< 0.0001*
Target—Links counts (T)/Publications	22.3	2.5	1.0	0.8	1.3	0.5	< 0.0001*
Target—Links counts (TF25)/Publications	18.2	0.3	0.3	0.2	0.2	0.1	0.001*
Target—Referring domains counts	11.0	8.0	68.1	44.0	121.8	93.0	< 0.0001*
Target—Trust Flow score	22.7	23.0	25.1	24.0	28.1	25.0	< 0.0001*
Target—Citation Flow score	28.6	29.0	31.9	31.0	34.9	35.0	< 0.0001*
Source—Link density score	27.1	25.5	19.0	16.0	13.3	7.5	< 0.0001*
Source—External outlink counts	560.2	445.0	128.7	54.0	38.6	25.5	< 0.0001*
Source—External outdomain counts	10.0	8.0	25.0	11.3	13.5	10.0	< 0.0001*

Link-based metrics	Nonindexed journals (N = 193)				Indexed journals (N = 158)		p-value
	New journals (N = 141)		Established journals (N = 52)		Indexed journals (N = 158)
	Mean	Median	Mean	Median	Mean	Median
Target—Links counts (T)	896.6	34.0	391.9	188.5	2,665.2	503.0	< 0.0001*
Target—Links counts (TF25)	854.9	3.0	98.7	47.0	306.6	140.0	< 0.0001*
Target—Links counts (T)/Publications	22.3	2.5	1.0	0.8	1.3	0.5	< 0.0001*
Target—Links counts (TF25)/Publications	18.2	0.3	0.3	0.2	0.2	0.1	0.001*
Target—Referring domains counts	11.0	8.0	68.1	44.0	121.8	93.0	< 0.0001*
Target—Trust Flow score	22.7	23.0	25.1	24.0	28.1	25.0	< 0.0001*
Target—Citation Flow score	28.6	29.0	31.9	31.0	34.9	35.0	< 0.0001*
Source—Link density score	27.1	25.5	19.0	16.0	13.3	7.5	< 0.0001*
Source—External outlink counts	560.2	445.0	128.7	54.0	38.6	25.5	< 0.0001*
Source—External outdomain counts	10.0	8.0	25.0	11.3	13.5	10.0	< 0.0001*

p-value is lower than alpha-value (0.05). Kruskal-Wallis test.