Table 2.
Frequency of symptomatology among the histopathological variants (n=1009).
| Clinical features | Squamous cell carcinoma (n=834) | Adenocarcinoma (n=175) | P value |
|---|---|---|---|
| Fever: n=25 (2.5%) | 19 (2.3%) | 6 (3.4%) | .419b |
| Weight loss: n=196 (19.4%) | 164 (19.7%) | 32 (18.3%) | .675a |
| Upper GI bleeding: n=47 (4.7%) | 41 (4.9%) | 6 (3.4%) | .396b |
| Retrosternal burning: n=60 (5.9%) | 42 (5.0%) | 18 (10.3%) | .008a |
| Acid reflux: n=22 (2.2%) | 22 (2.6%) | 0 (0.0%) | .022b |
| Dysphagia: n=327 (32.4%) | 260 (31.2%) | 67 (38.3%) | .068a |
| Both solids/liquids: n=178 (17.6%) | 151 (18.1%) | 27 (15.4%) | |
| Only solids: n=41 (4.0%) | 33 (3.9%) | 8 (4.6%) | |
| Only liquids: n=16 (1.6%) | 12 (1.4%) | 4 (2.3%) | .217a |
| First solids then progressed to liquids: n=92 (9.1%) | 73 (8.7%) | 19 (10.8%) | |
| Odynophagia: n=45 (4.5%) | 45 (5.4%) | 0 (0.0%) | .002a |
| Anorexia: n=4 (0.4%) | 2 (0.2%) | 2 (1.1%) | .141b |
| Regurgitation of food: n=15 (1.5%) | 11 (1.3%) | 4 (2.3%) | .310b |
| Nocturnal cough: n=33 (3.3%) | 30 (3.6%) | 3 (1.7%) | .203a |
| Vomiting: n=230 (22.8%) | 189 (22.7%) | 41 (23.5%) | .826a |
| Projectile: (n=188) 18.6% | 155 (18.6%) | 33 (18.9%) | .933a |
| Non-projectile: (n=42) 4.2% | 34 (4.1%) | 8 (4.6%) | .766a |
| Dyspnea: n=2 (0.2%) | 1 (0.1%) | 1 (0.6%) | .317b |
| Neck swelling: n=1 (0.1%) | 1 (0.1%) | 0 (0.0%) | 1.000b |
| Halitosis: n=1 (0.1%) | 1 (0.1%) | 0 (0.0%) | 1.000b |
| No symptoms: n=46 (4.6%) | 43 (5.2%) | 3 (1.7%) | .047a |
a
Indicates Fisher's exact test to compute the P value.
b
Indicates the chi-square test used to compute the P value.