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Intraobserver Reliability of Ultrasonographic Measurement of the Anterior-Posterior Dimension of the Suprapatellar Pouch*
| Subject No. | First Day† | Second Day† | Third Day† |
| 1 | 3.73 | 3.70 | 3.86 |
| 2 | 3.60 | 3.63 | 3.63 |
| 3 | 1.93 | 2.07 | 2.00 |
| 4 | 1.60 | 1.70 | 1.63 |
| 5 | 2.53 | 2.70 | 2.67 |
| 6 | 4.60 | 4.47 | 4.60 |
The intraclass correlation coefficient was 0.999 (95% confidence interval, 0.995 to 1.000).
The value is given as the mean value of 3 measurements, in millimeters.
