The validity of the six-question World Health Organization Adult ADHD Self-Report Scale (ASRS) Screener was assessed in a sample of subscribers to a large health plan in the US. A convenience subsample of 668 subscribers was administered the ASRS Screener twice to assess test-retest reliability and then a third time in conjunction with a clinical interviewer for DSM-IV adult ADHD. The data were weighted to adjust for discrepancies between the sample and the population on socio-demographics and past medical claims. Internal consistency reliability of the continuous ASRS Screener was in the range 0.63-0.72 and test-retest reliability (Pearson correlations) in the range 0.58-0.77. A four-category version The ASRS Screener had strong concordance with clinician diagnoses, with an area under the receiver operating characteristic curve (AUC) of 0.90. The brevity and ability to discriminate DSM-IV cases from non-cases make the six-question ASRS Screener attractive for use both in community epidemiological surveys and in clinical outreach and case-finding initiatives.
Ischaemic colitis (IC) has been associated with a number of diverse disorders and risk factors, including irritable bowel syndrome (IBS) and constipation. We sought to assess, through a large-scale population study, the potential risk factors associated with IC. Patients with IC and matched controls without IC were identified using the medical and pharmacy claims data from the HealthCore Managed Care Database from 1st January 2000 to 31st May 2005. A multivariate conditional logistic regression model was developed to identify significant risk factors of IC. Interactions of age, sex, prior IBS diagnosis, and prior constipation diagnosis were further evaluated. We identified 1754 patients with IC and 6970 non-IC controls; 64% were women, and mean ages were 63 and 62 years respectively. The final parsimonious model comprised 19 independent variables associated with increased risk for IC including shock, dysentery, bloating, IBS, colon carcinoma, constipation, cardiovascular disease, dyspepsia, abdominal, aortic, or cardiovascular surgery, 12-month laxative, H(2) receptor blocker and oral contraceptive use. A significant interaction was observed between age and prior IBS on risk for IC. In conclusion, multiple risk factors for IC were identified and we confirmed that patients with IBS or constipation are at greater risk for IC.
bladder dysfunction, nor a pharmacy claim for antimuscarinics, formed the non-OAB cohort. CV comorbidities and use of medications with antimuscarinic effects were assessed for the 12 months before OAB diagnosis/treatment. Information on heart rate (HR) on the day of the first OAB drug prescription was obtained from the GE Healthcare dataset. HR was assessed for patients aged ≥ 18 years with a diagnosis of OAB who were prescribed antimuscarinics (oxybutynin or tolterodine) at any dose or oral formulation between January 1995 and November 2006.
RESULTSThe 6607 patients with OAB, with a substantial proportion with elevated HR at baseline, were more likely to have CV comorbidities (39% vs 21%; P < 0.001) and previous exposure to medications with antimuscarinic effects (33% vs 17%; P < 0.001) than the non-OAB patients. Rate of CV comorbidities (40% vs 38%; P = 0.326) did not differ between treated and untreated patients with OAB. However, there was a difference in previous exposure to medications with antimuscarinic effects (37% vs 29%; P < 0.001); 39.1% of patients with OAB had a HR of > 80 beats/min before starting antimuscarinic treatment.
CONCLUSIONIn this study, the prevalence of CV comorbidities was significantly higher in patients with than without OAB; previous exposure to medications with antimuscarinic effects was also higher in patients with OAB. There was no difference in pre-existing CV comorbidities between the treated and untreated patients with OAB, but the high use of medications with antimuscarinic effects among these patients suggests that the presence of CV comorbidity might not be considered before using antimuscarinic agents for OAB.
The failure of allopurinol users to achieve target SUA levels of <6.0 mg/dL may be attributed to lack of awareness of optimal SUA, allopurinol dosing, compliance, and efficacy. Patients who did not achieve target SUA were at increased flare risk.
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