Table 2.
Outcomes between patients who received the 12Fr- or 14Fr-PRG
| All patients | 12Fr-pigtail PRG (n = 139) | 14Fr-balloon PRG (n = 108) | P value |
|---|---|---|---|
| Patients with at least one unexpected visit within 180 days—n (%) | |||
| 82 (59) | 50 (46) | 0.047 | |
| Unexpected visits in 180 days—n (%) | 0.162 | ||
| 0 | 57 (41) | 58 (53.7) | |
| 1 | 53 (38.1) | 36 (33) | |
| 2 | 17 (12.2) | 10 (9.3) | |
| > 2 | 12 (8.6) | 4 (3.7) | |
| Average unexpected visits within 180 days—mean (95% CI) | |||
| 0.93 (0.74–1.12) | 0.64 (0.48–0.80) | 0.028 | |
| Days until first unexpected visit—mean (95% CI) | |||
| 29 (22–36) | 53 (38–68) | 0.005 | |
| Reason unexpected visit—n (%) | |||
| Tube complication | 62/139 (45) | 31/108 (29) | 0.011 |
| Anchor complication | 11/139 (7.9) | 8/108 (7.4) | 0.882 |
| Other* | 9/139 (6.5) | 11/108 (10) | 0.289 |
| Type of tube complication—n/total (%) | |||
| Leakage | 3/139 (2.2) | 6/108 (5.6) | 0.158 |
| Obstruction | 9/139 (6.5) | 1/108 (0.9) | 0.046 |
| Luxation | 45/139 (32) | 20/108 (19) | 0.014 |
| Repositioning | 3/139 (2.2) | 4/108 (3.7) | 0.702 |
| Other# | 2/139 (1.4) | 0/108 (0) | 0.506 |
Bold values indicate p < 0.05
*Reason for unexpected visit was in nine patients unknown, in seven patients position check, in two patients pain unrelated to anchors, in one patient blood around tube, and in one patient request for extending the tube
#In two patients the reason for tube replacement was unknown