TABLE III.
Variable | COVID † Citations/Article (mean ± SD) | Non‐COVID † Citations/Article (mean ± SD) | Pre‐COVID † Citations/Article (mean ± SD) | P |
---|---|---|---|---|
Among all publications | ||||
Overall citations per paper | ||||
Total | 8.25 ± 33.92 | 0.20 ± 0.68 | 0.88 ± 1.65 | <.001* |
Within 120 d | 2.82 ± 12.11 | 0.06 ± 0.31 | 0.04 ± 0.21 | <.001* |
Publication type | ||||
Meta‐analysis/reviews | ||||
Total | 12.16 ± 25.79 | 0.43 ± 1.12 | 1.79 ± 3.11 | <.001* |
Within 120 d | 4.41 ± 11.91 | 0.08 ± 0.33 | 0.7 ± 0.31 | <.001* |
Randomized control trials | ||||
Total | 9.50 ± 4.95 | 0.22 ± 0.51 | 1.18 ± 1.67 | <.001* |
Within 120 d | 1.50 ± 0.71 | 0.04 ± 0.20 | 0.04 ± 0.19 | <.001* |
Observation/cohort/other studies | ||||
Total | 8.61 ± 40.40 | 0.20 ± 0.67 | 0.85 ± 1.44 | <.001* |
Within 120 d | 2.79 ± 13.83 | 0.06 ± 0.32 | 0.04 ± 0.21 | <.001* |
Case studies | ||||
Total | 3.37 ± 2.84 | 0.12 ± 0.41 | 0.40 ± 0.74 | <.001* |
Within 120 d | 1.26 ± 1.51 | 0.02 ± 0.18 | 0.00 ± 0.00 | <.001* |
Miscellaneous | ||||
Total | 4.94 ± 20.60 | 0.08 ± 0.35 | 0.29 ± 1.14 | <.001* |
Within 120 d | 1.92 ± 7.38 | 0.04 ± 0.25 | 0.03 ± 0.20 | <.001* |
Among top 100 most cited publications | ||||
Overall citations per paper | ||||
Total | 46.78 ± 83.80 | 3.38 ± 2.38 | 8.00 ± 4.24 | <.001* |
Within 120 d | 16.03 ± 30.17 | 1.01 ± 1.37 | 0.41 ± 0.70 | <.001* |
Publication type | ||||
Meta‐analysis/reviews | ||||
Total | 45.60 ± 45.62 | 3.86 ± 2.24 | 9.80 ± 7.03 | <.001* |
Within 120 d | 17.92 ± 22.76 | 0.71 ± 0.96 | 0.36 ± 0.70 | <.001* |
Randomized control trials | ||||
Total | 13.0 ± N/A‡ | 2.00 ± N/A‡ | 6.67 ± 1.37 | <.001* |
Within 120 d | 2.0 ± N/A‡ | 0.00 ± N/A† | 0.33 ± 0.52 | .015* |
Observation/cohort/other studies | — | |||
Total | 48.39 ± 99.84 | 3.32 ± 2.49 | 7.37 ± 2.59 | <.001* |
Within 120 d | 15.57 ± 34.52 | 1.08 ± 1.46 | 0.42 ± 0.70 | <.001* |
Case studies | ||||
Total | N/A‡ | 3.00 ± N/A‡ | N/A‡ | |
Within 120 d | N/A‡ | 2.00 ± N/A‡ | N/A‡ | |
Miscellaneous | ||||
Total | 44.08 ± 61.77 | 3.00 ± 1.41 | 9.00 ± 3.16 | .392 |
Within 120 d | 15.62 ± 22.14 | 2.50 ± 2.12 | 0.75 ± 0.96 | .344 |
P < .05.
COVID publications refers to publications queried from April 1, 2020–March 31, 2021 regarding COVID‐19. Non‐COVID refers to publications during the COVID time period (April 1, 2020–March 31, 2021) that are unrelated to COVID‐19. Pre‐COVID refers to publications unrelated to COVID in the 1 year period before COVID (April 1, 2019–March 31, 2020).
N/A noted for mean if no publications in category and for standard deviation if only 1 publication noted in that category.
SD = standard deviation.