| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
|
| D011183 |
Postoperative Complications |
Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. |
Complication, Postoperative,Complications, Postoperative,Postoperative Complication |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
|
| D000368 |
Aged |
A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. |
Elderly |
|
| D012189 |
Retrospective Studies |
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. |
Retrospective Study,Studies, Retrospective,Study, Retrospective |
|
| D013997 |
Time Factors |
Elements of limited time intervals, contributing to particular results or situations. |
Time Series,Factor, Time,Time Factor |
|
| D042882 |
Gallstones |
Solid crystalline precipitates in the BILIARY TRACT, usually formed in the GALLBLADDER, resulting in the condition of CHOLELITHIASIS. Gallstones, derived from the BILE, consist mainly of calcium, cholesterol, or bilirubin. |
Biliary Calculi,Common Bile Duct Gall Stone,Common Bile Duct Gallstone,Gallstone,Biliary Calculi, Common Bile Duct,Common Bile Duct Calculi,Common Bile Duct Gall Stones,Common Bile Duct Gallstones,Gall Stone,Gall Stones,Gall Stones, Common Bile Duct,Gallstones, Common Bile Duct,Calculi, Biliary |
|