Table 1.
Summary table of publications published in the field of medical informatics between 1999 and 2023a.
| Characteristic | Overall (59,980/59,980, 100%)b | JMIR, (18,491/59,980, 31%)b | Others in medical informatics (41,489/59,980, 69%)b | P value | ||||||
| Publication year (SD) | 2018 (4) | 2020 (3) | 2017 (5) | <.001c | ||||||
| Quartile ranking, n/n (%) | <.001d | |||||||||
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No quartile | 6057/59,980 (10) | 6057/18,491 (33) | 0/41,489 (0) |
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Quartile 1 | 19,382/59,980 (32) | 8001/18,491 (43) | 11,381/41,489 (27) |
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Quartile 2 | 11,910/59,980 (20) | 3424/18,491 (19) | 8486/41,489 (20) |
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Quartile 3 | 10,126/59,980 (17) | 1009/18,491 (5.5) | 9117/41,489 (22) |
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Quartile 4 | 12,505/59,980 (21) | 0/18,491 (0) | 12,505/41,489 (30) |
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| Impact factor 2022, mean (SD) | 4 (3) | 5 (2) | 4 (3) | <.001e | ||||||
| Usage count (since 2013), mean (SD) | 14 (24) | 15 (26) | 14 (23) | .20c | ||||||
| Total times cited, mean (SD) | 20 (70) | 18 (49) | 21 (77) | <.001c | ||||||
| International collaboration, n (%) | <.001d | |||||||||
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No | 44,486/59,980 (74) | 13,485/18,491 (73) | 31,001/41,489 (75) |
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Yes | 15,494/59,980 (26) | 5,006/18,491 (27) | 10,488/41,489 (25) |
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| Document type, n (%) | <.001d | |||||||||
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Paper | 52,685/59,980 (88) | 15,819/18,491 (86) | 36,866/41,489 (89) |
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Editorial | 1604/59,980 (2.7) | 101/18,491 (0.5) | 1503/41,489 (3.6) |
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Letter | 549/59,980 (0.9) | 141/18,491 (0.8) | 408/41,489 (1.0) |
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Other | 674/59,980 (1.1) | 316/18,491 (1.7) | 358/41,489 (0.9) |
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Review | 4468/59,980 (7.4) | 2114/18,491 (11) | 2354/41,489 (5.7) |
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aStatistical significance is highlighted by P values in boldface.
bMean (SD) or frequency (%).
cTwo-tailed Welch 2-sample t test.
dPearson chi-square test.
eWilcoxon rank sum test.