Table 3.
The relationship between procedure-related factors and post-procedural pneumothorax
| Variable | Pneumothorax | p value | |
|---|---|---|---|
| Yes (n = 54) | No (n = 161) | ||
| Patient position | 0.984 | ||
| Prone (n = 109) | 28 | 81 | |
| Supine (n = 72) | 18 | 54 | |
| Lateral decubitus (n = 24) | 6 | 18 | |
| Oblique (n = 10) | 2 | 8 | |
| Needle gauge | 0.725 | ||
| 18G (n = 184) | 47 | 137 | |
| 20G (n = 31) | 7 | 24 | |
| Needle-pleural angle | 0.017 | ||
| (in degrees) | |||
| < 50 (n = 20) | 8 | 12 | |
| 50-59 (n = 35) | 14 | 21 | |
| 60-69 (n = 43) | 13 | 30 | |
| 70-79 (n = 63) | 11 | 52 | |
| 80-90 (n = 54) | 8 | 46 | |
| Dwell time (in min) | 0.933 | ||
| 3-6 (n = 125) | 32 | 93 | |
| > 6-9 (n = 65) | 17 | 48 | |
| > 9-12 (n = 11) | 2 | 9 | |
| > 12 (n = 14) | 3 | 11 | |