Table 1

Characteristics of 174 case patients with gastric cancer and 462 individually matched control subjects without gastric cancer in the Swedish cohort of 39,154 patients undergoing hip replacement surgery

CharacteristicNo. of cases (% of total)Controls
Age (yrs)
<6537 (21)100 (22)
65–6937 (21)100 (22)
70–7449 (28)137 (30)
≥7551 (29)125 (27)
Gender
Female74 (43)286 (62)
Male100 (57)176 (38)
Indication for index surgerya
Osteoarthritis114 (66)307 (66)
Acute fracture8 (5)31 (7)
Late sequelae after fracture48 (28)103 (22)
Rheumatoid arthritis7 (4)22 (5)
Other6 (3)16 (3)
No. of surgeriesb
1134 (77)361 (78)
233 (19)85 (18)
≥37 (4)16 (3)
History of gastric resection
No159 (91)447 (97)
Yes15 (9)15 (3)
Mean follow-up time (years)5.375.40
Median duration of antibiotic treatment (days)89
  • a More than one indication was allowed, thus numbers exceed the total.

  • b The number of surgeries during follow-up includes index surgery.