| All (n = 114) | Radiopaque (n = 28) | Radiolucent (n = 86) | P-value |
---|---|---|---|---|
Site of foreign body | Â | 0.005* | ||
 Glottis | 3 (3%) | 2 (7%) | 1 (1%) |  |
 Windpipe | 2 (2%) | 0 (0%) | 2 (2%) |  |
 Left main bronchus | 6 (5%) | 1 (4%) | 5 (6%) |  |
 Left upper lobe bronchus | 7 (6%) | 4 (14%) | 3 (3%) |  |
 Left lower lobe bronchus | 12 (11%) | 2 (7%) | 10 (12%) |  |
 Right main bronchus | 34 (30%) | 15 (53%) | 19 (22%) |  |
 Right upper lobe bronchus | 5 (4%) | 0 (0%) | 5 (6%) |  |
 Right middle lobe bronchus | 10 (9%) | 1 (4%) | 9 (10%) |  |
 Right lower lobe bronchus | 25 (22%) | 3 (11%) | 22 (26%) |  |
 Multiple sites | 10 (9%) | 0 (0%) | 10 (12%) |  |
Type of foreign body | Â | 0.03* | ||
 Bones | 58 (51%) | 20 (71%) | 38 (44%) |  |
 Medicine pills | 2 (2%) | 1 (4%) | 1 (1%) |  |
 Plants/meat | 34 (30%) | 3 (11%) | 31 (36%) |  |
 Inorganics# | 6 (5%) | 2 (7%) | 4 (5%) |  |
 Multiple foreign bodies | 3 (3%) | 0 (0%) | 3 (3%) |  |
 Unknown | 11 (10%) | 2 (7%) | 9 (10%) |  |