Table 1

Clinical and surgical attributes of patients with peptic ulcer disease included in the meta-analysis

AttributesCohort (N=10 037)
Age, mean (SD)38.6 (8.6)
Gender
 Male, n (%)7142/9084 (79)
 Female, n (%)1942/9084 (21)
Ulcer location
 Gastric, n (%)1368 (14)
 Duodenal, n (%)7823 (78)
 Both, n (%)56 (1)
 Other, n (%)759 (7)
History of ulcer, n (%)2918/4580 (64)
Duration of Sx (years), mean (SD)5.2 (3.3)
History of NSAID use, n (%)714/2060 (35)
History of smoking, n (%)892/1562 (57)
History of alcohol, n (%)449/1003 (45)
ASA status
 ASA1215/434 (50)
 ASA2137/434 (32)
 ASA337/434 (9)
 ASA436/434 (8)
 ASA59/434 (2)
Shock on admission, n (%)219/1181 (19)
Sx>24 hours, n (%)826/1344 (61)
Free air on X-ray, n (%)1580/1976 (80)
Indication for surgery
 Perforation, n (%)4115 (41)
 Bleeding, n (%)875 (9)
 Obstruction, n (%)2195 (22)
 Other or unknown, n (%)2850 (28)
Procedure type
 Primary repair, n (%)3411 (34)
 Vagotomy and drainage, n (%)3798 (38)
 Resection and reconstruction, n (%)1238 (12)
 Drainage, n (%)577 (6)
 Other of unknown, n (%)1013 (10)
Mortality, n (%)609 (6)
  • ASA, American Society of Anesthesiologists; n, sample size; NSAID, non-steroidal anti-inflammatory drug; Sx, symptom.