Table 2 Clinical characteristics according to the gross appearance of the nasogastric aspirate
From: Selected nasogastric lavage in patients with nonvariceal upper gastrointestinal bleeding
Total (N = 487) | Nasogastric lavage | P value | ||
|---|---|---|---|---|
Positive (n = 294)§ | Negative (n = 193) | |||
Presenting symptoms | < 0.001 | |||
Hematemesis | 214 (43.9) | 175 (59.5) | 39 (20.2) | |
Melena | 219 (45.0) | 99 (33.7) | 120 (62.2) | |
Hematochezia | 51 (10.5) | 19 (6.5) | 32 (16.6) | |
Dizziness | 3 (0.6) | 1 (0.3) | 2 (1.0) | |
Endoscopic diagnosis | < 0.001 | |||
Gastric ulcer | 177 (36.3) | 122 (41.5) | 55 (28.5) | |
Duodenal ulcer | 52 (10.7) | 31 (10.5) | 21 (10.9) | |
Mallory-Weiss syndrome | 41 (8.4) | 33 (11.2) | 8 (4.1) | |
Malignancy | 35 (7.2) | 23 (7.8) | 12 (6.2) | |
Others§§ | 31 (6.4) | 20 (6.8) | 11 (5.7) | |
No evidence of bleeding | 151 (31.0) | 65 (22.1) | 86 (44.6) | |
Endoscopic hemostasis | 150/336 (44.6) | 124/229 (54.1) | 26/107 (24.3) | < 0.001 |