Table 2.
Two-time point analyses comparing journals’ top-cited articles before and after 2011
| Variables | Before 2011 | After 2011 | P value |
|---|---|---|---|
| Year | 2011(2007–2011) | 2013(2012–2016) | |
| No. of papers | 34 | 66 | 0.002 |
| Citations WOS per paper | 877.41(656.03) | 453.05(282.69) | 0.000 |
| Citations WOS per paper per year | 90.04(63.35) | 69.39(42.08) | 0.230 |
| Citations 2018 per paper | 137(119.77) | 101.32(69.08) | 0.476 |
| Country | |||
| USA | 18(36.73%) | 31(63.27%) | 0.096 |
| PEOPLES R CHINA | 4(16.67%) | 20(83.33%) | |
| Others | 12(44.44%) | 15(55.56%) | |
| Document type | |||
| No. of article | 23(33.82%) | 45(66.18%) | 0.957 |
| No. of review | 11(34.38%) | 21(65.63%) | |
| Citations per article | 767.30(568.65) | 402.84(277.93) | 0.000 |
| Citations per review | 1107.64(758.80) | 560.62(262.02) | 0.061 |
| Open access | 29(35.37%) | 53(64.63%) | 0.538 |
| Highly cited | 29(31.52%) | 63(68.48%) | 0.086 |
| Average IF (2018) | 22.049(2.929–43.704) | 19.154(3.144–43.704) | 0.421 |