From: A descriptive study of samples sizes used in agreement studies published in the PubMed repository
Sample size reported by studies | ||||||
---|---|---|---|---|---|---|
n | Median | Mean | Interquartile range | Range | ||
Field of study | Allied Health | 4 | 53.0 | 76.3 | [45.0, 107.5] | [40, 159] |
Medicine | 45 | 80.0 | 259.0 | [39.5, 180.0] | [11, 4469] | |
Radiology | 29 | 50.0 | 206.2 | [27.0, 142.5] | [10, 3082] | |
Surgery | 4 | 52.0 | 955.8 | [18.5, 1893.0] | [13, 3706] | |
Sample size justification | Yes | 27 | 50.0 | 70.6 | [27.0, 75.0] | [12, 275] |
No | 55 | 62.5 | 360.7 | [35.3, 158.0] | [10, 4469] | |
Statistical method | Bland–Altman LoA | 41 | 65.0 | 89.0 | [34.5, 124.0] | [12, 278] |
ICC | 29 | 42.0 | 221.7 | [27.0, 64.5] | [12, 4469] | |
Kappa coefficient | 35 | 71.0 | 376.9 | [50.0, 233.0] | [10, 3706] | |
Significance test | 20 | 54.5 | 86.2 | [26.5, 128.0] | [12, 267] | |
Other | 32 | 57.0 | 430.7 | [38.0, 124.5] | [10, 4469] | |
Endpoint | Continuous | 46 | 49.5 | 74.8 | [25.0, 100.0] | [11, 265] |
Categorical | 28 | 119.0 | 448.1 | [50.0, 271.0] | [10, 3706] | |
Both | 8 | 72.5 | 721.6 | [59.0, 500.5] | [40, 4469] |