|  | Studies | 25% | 50% | 75% | Max |
---|---|---|---|---|---|---|
All | Total | 112600 | 44 | 91 | 210 | 1242071 |
Data type | Dichotomous | 77237 | 50 | 102 | 243 | 1242071 |
 | Continuous | 29902 | 33 | 62 | 142 | 18851 |
 | Mixed | 5461 | 21 | 86 | 251 | 36511 |
Medical specialty | Cancer | 6441 | 72 | 154 | 326 | 266064 |
 | Cardiovascular | 10686 | 44 | 102 | 289 | 67800 |
 | Central nervous system/musculoskeletal | 8299 | 43 | 80 | 149 | 9440 |
 | Digestive/endocr., nutritional and metabolic | 15345 | 42 | 79 | 160 | 18819 |
 | Gynaecology, pregnancy and birth | 20098 | 60 | 118 | 293 | 23697 |
 | Infectious diseases | 4502 | 59 | 130 | 371 | 419748 |
 | Mental health and behavioural conditions | 15218 | 36 | 63 | 165 | 9020 |
 | Pathological conditions, symptoms and signs | 4448 | 40 | 61 | 115 | 2463 |
 | Respiratory diseases | 13153 | 36 | 87 | 227 | 82892 |
 | Urogenital | 5914 | 39 | 71 | 153 | 4912 |
 | Other | 8496 | 44 | 90 | 198 | 1242071 |
Interventions | Pharm. vs. Control/Placebo | 44156 | 41 | 90 | 222 | 58050 |
 | Pharm. vs. Pharm. | 28018 | 48 | 99 | 222 | 25180 |
 | Pharm. vs. Non-Pharm. | 2018 | 50 | 74 | 135 | 7711 |
 | Non-Pharm. vs. Control/Placebo | 20892 | 41 | 92 | 229 | 1242071 |
 | Non-Pharm. vs. Non-Pharm. | 17516 | 45 | 85 | 169 | 82892 |
Outcomes | Signs/symptoms reflecting continuation/end of condition | 17621 | 42 | 83 | 197 | 359600 |
 | Adverse events | 11898 | 49 | 100 | 242 | 82892 |
 | Infection/onset of new acute/chronic disease | 11284 | 56 | 110 | 258 | 1242071 |
 | Biological markers | 10578 | 35 | 64 | 147 | 266064 |
 | General physical health | 8959 | 30 | 66 | 177 | 131271 |
 | Obstetric outcomes | 7376 | 60 | 117 | 293 | 18453 |
 | All-cause mortality | 8302 | 52 | 110 | 281 | 259627 |
 | Resource use/hospital stay/process | 5454 | 50 | 98 | 200 | 419748 |
 | Cause-specific mortality/major morbidity event/composite (mortality or morbidity) | 5413 | 69 | 165 | 449 | 266064 |
 | Other outcomes (semi-objective)1 | 10886 | 44 | 81 | 177 | 131271 |
 | Other outcomes (subjective)2 | 14490 | 38 | 71 | 162 | 359600 |