Table 1 Comparison of procedural factors between dry tap and non-dry tap cohorts
From: Factors predicting hip joint aspiration yield or “dry taps” in patients with total hip arthroplasty
Factor | Dry tap | Non-dry tap | Total count | P value | ||
|---|---|---|---|---|---|---|
% | Count | % | Count | |||
Aspiration modality | ||||||
CT-guided | 60% | 6 | 40% | 4 | 10 | 0.275 |
FLU-guided | 35.7% | 40 | 64.3% | 72 | 112 | |
US-guided | 34.4% | 73 | 65.6% | 139 | 212 | |
Needle gauge | ||||||
18-Gauge | 36.7% | 62 | 63.3% | 107 | 169 | 0.051 |
20-Gauge | 31.8% | 48 | 68.2% | 103 | 151 | |
22-Gauge | 62.5% | 6 | 37.5% | 10 | 16 | |
Aspiration approach | ||||||
Anterior | 36% | 104 | 64% | 185 | 289 | 0.960 |
Lateral | 27% | 3 | 73% | 8 | 11 | |
Posterior | 0% | 0 | 100% | 1 | 1 | |
Trainee | ||||||
Trainee present | 37.6% | 65 | 62.4% | 108 | 173 | 0.370 |
No trainee | 33.7% | 55 | 66.3% | 108 | 163 | |