Series: Basic statistics for busy clinicians (X)
Bias in clinical epidemiological study designs
a Unidad de Apoyo a la Investigación. Agencia Sanitaria Costa del Sol. Marbella (Málaga), Spain
b CIBER de Epidemiología y Salud Pública (CIBERESP), Spain
c Fundación Pública Andaluza para la Investigación Biosanitaria de Andalucía Oriental - Alejandro Otero, Hospital Universitario San Cecilio, Granada, Spain
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| 2025 1 | 659 | 31 | 690 |
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| 2024 1 | 699 | 46 | 745 |
| 2023 12 | 382 | 46 | 428 |
| 2023 11 | 472 | 61 | 533 |
| 2023 10 | 533 | 58 | 591 |
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| 2023 1 | 167 | 79 | 246 |
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| 2022 4 | 84 | 28 | 112 |
| 2022 3 | 74 | 25 | 99 |
| 2022 2 | 64 | 15 | 79 |
| 2022 1 | 100 | 15 | 115 |
| 2021 12 | 66 | 18 | 84 |
| 2021 11 | 79 | 19 | 98 |
| 2021 10 | 118 | 29 | 147 |
| 2021 9 | 99 | 28 | 127 |
| 2021 8 | 36 | 20 | 56 |
| 2021 7 | 26 | 13 | 39 |
| 2021 6 | 23 | 14 | 37 |
| 2021 5 | 17 | 7 | 24 |
| 2021 4 | 23 | 13 | 36 |
| 2021 3 | 21 | 13 | 34 |
| 2021 2 | 20 | 12 | 32 |
| 2021 1 | 8 | 12 | 20 |
| 2020 12 | 1 | 0 | 1 |
| 2020 9 | 0 | 1 | 1 |
| 2020 8 | 0 | 3 | 3 |
| 2020 7 | 0 | 2 | 2 |
| 2020 5 | 0 | 3 | 3 |
| 2020 3 | 0 | 3 | 3 |
| 2020 1 | 0 | 1 | 1 |
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| 2017 4 | 25 | 5 | 30 |
| 2017 3 | 34 | 21 | 55 |
| 2017 2 | 22 | 2 | 24 |
| 2017 1 | 16 | 7 | 23 |
| 2016 12 | 22 | 4 | 26 |
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| 2016 9 | 37 | 12 | 49 |
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| 2016 6 | 38 | 12 | 50 |
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| 2016 3 | 26 | 20 | 46 |
| 2016 2 | 15 | 22 | 37 |
| 2016 1 | 30 | 25 | 55 |
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| 2015 3 | 12 | 11 | 23 |
| 2015 2 | 7 | 6 | 13 |
| 2015 1 | 27 | 5 | 32 |
| 2014 12 | 27 | 13 | 40 |
| 2014 11 | 16 | 2 | 18 |
| 2014 10 | 15 | 6 | 21 |
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| 2014 8 | 13 | 4 | 17 |
| 2014 7 | 9 | 3 | 12 |
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| 2014 5 | 12 | 3 | 15 |
| 2014 4 | 9 | 6 | 15 |
| 2014 3 | 106 | 14 | 120 |
| 2014 2 | 73 | 9 | 82 |
| 2014 1 | 90 | 7 | 97 |
| 2013 12 | 68 | 9 | 77 |
| 2013 11 | 55 | 7 | 62 |
| 2013 10 | 35 | 3 | 38 |
| 2013 9 | 28 | 8 | 36 |
| 2013 8 | 30 | 7 | 37 |
| 2013 7 | 34 | 8 | 42 |
| 2013 6 | 25 | 7 | 32 |
| 2013 5 | 34 | 8 | 42 |
| 2013 4 | 39 | 7 | 46 |
| 2013 3 | 23 | 8 | 31 |
| 2013 2 | 5 | 5 | 10 |
| 2013 1 | 171 | 0 | 171 |
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