Table 1.
Comparison of Successful Intra-Articular Needle Placement and Mean Time to Needle Placement by Training Level
| Training Level | Successful N (%) | Total (N) | p-value |
|---|---|---|---|
| Attending | 10 (71.4) | 14 | |
| Fellow | 20 (71.4) | 28 | |
| Senior | 21 (75) | 28 | 0.466 |
| Junior | 22 (78.6) | 28 | |
| Intern | 16 (57.1) | 28 | |
| Total | 89 (70.6) | 126 | |
| Training Level | Mean time to needle placement, seconds (±S.D.¥) | Attempts (N) | p-value |
| Attending | 12.0 (±8.9) | 14 | |
| Fellow | 8.1 (±3.6) | 28 | |
| Senior | 8.7 (±3.6) | 28 | <0.001 |
| Junior | 15.3 (±8.7) | 28 | |
| Intern | 11.1 (±4.7) | 28 | |
| Total | 10.9 (±6.5) | 126 |
¥Standard deviation