Table 4.
Analysis of stricture causes
| Values | Post-inflammatory stenosis (n = 56) | Post-traumatic stenosis (n = 57) | P value |
|---|---|---|---|
| Male/female | 16/40 | 38/19 | |
| Age (mean ± SD) | 32.98 ± 9.64 | 43.77 ± 14.78 | P = 0.134 |
| Coverd/uncovered stent (n) | 21/35 | 28/29 | |
| Clinical improvement | 45 (80.36%) | 49 (85.96%) | P = 0.21 |
| Major granulation (requiring stent replacement) | 3 (5.36%) | 9 (15.79%) | P = 0.072 |
| Minor granulation | 14 (25%) | 9 (15.79%) | P = 0.024 |
| Recurrent stenosis | 6 (10.71%) | 13 (22.81%) | P = 0.086 |
| Further interventions | |||
| Balloon dilatation | 13 (23.21%) | 15 (26.32%) | P = 0.73 |
| Electrocautery | 9 (16.07%) | 20 (35.09%) | P = 0.21 |
| Cryotherapy | 2 (3.57%) | 8 (14.04%) | P = 0.05 |
| APC | 1 (1.79%) | 4 (7.02%) | P = 0.157 |
| Total | 18 (32.14%) | 33 (57.89%) | P = 0.008 |
| Outcomes | |||
| Resolution | 36 (70.59%) | 30 (61.22%) | P = 0.323 |
| Still under treatment | 3 (5.88%) | 11 (22.45%) | P = 0.017 |
| Bronchial occlusion | 8 (15.69%) | 0 (0.00%) | P = 0.004 |
| Surgery | 3 (5.88%) | 5 (10.2%) | P = 0.426 |
| Death | 1 (1.96%) | 3 (6.12%) | P = 0.288 |
The values are expressed as mean ± SD or number (percentage); Abbreviations: p value, Post-inflammatory stenosis vs Post-traumatic stenosis, APC argon plasma coagulation