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{
    "pk": 19122,
    "title": "Family History is a Predictor for Appendicitis in Adults Presenting to the Emergency Department",
    "subtitle": null,
    "abstract": "Introduction: A family history of appendicitis has been reported to increase the likelihood of thediagnosis in children and in a retrospective study of adults. We compare positive family history with thediagnosis of acute appendicitis in a prospective sample of adults.\nMethods: We conducted a prospective observational study of a convenience sample of 428 patients.We compared patients with surgically proven appendicitis to a group without appendicitis. The latterwere further grouped by their presenting symptoms: those presenting with a chief complaint ofabdominal pain and those with other chief complaints. Participants answered questions regarding theirfamily history of appendicitis. Family history was then compared for the appendicitis group versus thenonappendicitis group as a whole, and then versus the subgroup of patients without appendicitis butwith abdominal pain. The primary analysis was a v2 test of proportions and the calculation of odds ratio(OR) for the relationship between final diagnosis of appendicitis and family history.\nResults: Of 428 patients enrolled, 116 had appendicitis. Of those with other diagnoses, 158 hadabdominal pain and 154 had other complaints. Of all patients with appendicitis, 37.9% (confidence interval [CI]=29.1–46.8) had positive family history. Of those without appendicitis, 23.7% (CI=19.0–28.4) had positive family history. In the subgroup without appendicitis but with abdominal pain, 25.9%(CI=19.1–32.8) had positive family history. Both comparisons were significant (P=0.003; OR=1.97;95% CI=1.2–3.1; and P=0.034; OR=1.74; 95% CI=1.04–2.9, respectively). By multivariate logisticregression analysis across the full sample, family history was a significant independent predictor (P=0.011; OR = 1.883) of appendicitis.\nConclusion: Adults presenting to the emergency department with a known family history ofappendicitis are more likely to have this disease than those without. [West J Emerg Med.2012;13(6):468–471.]",
    "language": "en",
    "license": {
        "name": "Creative Commons Attribution-NonCommercial  4.0",
        "short_name": "CC BY-NC 4.0",
        "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNonCommercial — You may not use the material for commercial purposes.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",
        "url": "https://creativecommons.org/licenses/by-nc/4.0"
    },
    "keywords": [
        {
            "word": "appendicitis"
        },
        {
            "word": "Family History"
        },
        {
            "word": "abdominal pain"
        },
        {
            "word": "Clinical Epidemiology"
        },
        {
            "word": "Emergency Medicine"
        },
        {
            "word": "Gastroenterology"
        },
        {
            "word": "Surgery"
        }
    ],
    "section": "Medical Decision Making",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/9zf1h82p",
    "frozenauthors": [
        {
            "first_name": "Michael",
            "middle_name": "J",
            "last_name": "Drescher",
            "name_suffix": "",
            "institution": "Hartford Hospital/University of Connecticut, Division of Emergency Medicine, Hartford, Connecticut",
            "department": "None"
        },
        {
            "first_name": "Shannon",
            "middle_name": "",
            "last_name": "Marcotte",
            "name_suffix": "",
            "institution": "University of Connecticut Integrated Residency in Emergency Medicine, Hartford, Connecticut",
            "department": "None"
        },
        {
            "first_name": "Robert",
            "middle_name": "",
            "last_name": "Grant",
            "name_suffix": "",
            "institution": "St Mary’s Hospital, Department of Emergency Medicine, Waterbury, Connecticut",
            "department": "None"
        },
        {
            "first_name": "Ilene",
            "middle_name": "",
            "last_name": "Staff",
            "name_suffix": "",
            "institution": "Hartford Hospital, Department of Research Administration, Hartford, Connecticut",
            "department": "None"
        }
    ],
    "date_submitted": "2010-11-29T10:08:22-08:00",
    "date_accepted": "2010-11-29T10:08:22-08:00",
    "date_published": "2012-11-14T14:30:02-08:00",
    "render_galley": null,
    "galleys": [
        {
            "label": "",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/westjem/article/19122/galley/9484/download/"
        }
    ]
}