"In this paper the author applies the framework of multiregional population analysis to marital status changes as revealed by longitudinal retrospective data on marital histories collected as part of the June 1975 [U.S.] Current Population Survey supplement. Four marital statuses are used: never married, presently married, divorced, and widowed. Marital status life tables are computed for th...

objective: whilst many questions and doubts still remain, today the use of dental im-plants has gained an increasing popularity amongst patients as well as dentists. the aim of this study is to analyze the survival rate in using such implants over a 10 year period. materials and methods: in this study, 3050 iti implants placed in 1000 patients with the mean age of 49.5 years (54.4% males and 44...

objective: to develop 'moral distress questionnaire' and validate it in a sample of iranian registered nurses. method: 26 registered nurses and 10 professionals attended focused group discussion (fgd) sessions and the acquired qualitative data was analyzed by jameton scale analysis. results: attitudes and definitions of nurses working in private and governmental hospitals of two medical univers...

INTRODUCTION Pre-maxillary complex (pre-maxilla [PMX] + vomer) morphology in bilateral complete cleft of primary and secondary palate (BCLCP) is very complex and less reviewed in literature. MATERIALS AND METHODS In this retrospective cross-sectional study, 200 consecutive BCLCP patients were selected. Their pre-operative clinical photographs and dental casts were evaluated by a single invest...

OBJECTIVE To analyse the effect of cards and of vitamin A supplementation on coverage for National Immunisation Days (NIDs). DESIGN A retrospective ecological study. SETTING A countrywide NIDs coverage before and after introduction of the NIDs cards and vitamin A supplementation in all districts of Uganda. METHODS NIDs for polio eradication commenced in Uganda in 1996. Two rounds, one mon...

First metatarsalphalangeal joint arthrodesis is a well established and successful treatment; however there still remains controversy over the best choice of construct. We performed a retrospective study of patients undergoing first metatarsalphalangeal fusion over eighteen months (n=52) using either dorsal non-locking plate with additional compression lag screw fixation or dorsal non-locking pl...

OBJECTIVE To evaluate the late-stage results from surgical treatment of patellar tendinopathy (PT), using the Visa score (Victorian Institute of Sport Tendon Study Group) and the Verheyden method. METHODS This was a retrospective study in which the postoperative results from 12 patients (14 knees) who were operated between July 2002 and February 2011 were evaluated. The patients included in t...

The risk of atrial fibrillation (AF)-related stroke is usually assessed by calculating the CHA2DS2-VASc score, the components of which are various risk factors, including prior stroke. Although prior stroke is considered the strongest risk factor, the associated risk is actually inferred. Nevertheless, it implies a "freedom-from-event effect" (FEE)-the longer a patient is stroke-free, the lower...

Retrospective studies have always taken for granted that matching should be done on factors which affect the incidence of the disease. Worcester stated that when that "when a disease group is being compared with another group, matching is usually done on variables known to be related to the disease rather than on variables related to the outcome." Miettinen et al. however disagrees. They bel...

A modified critical-incident analysis technique was used in a retrospective examination of the characteristics of human error and equipment failure in anesthetic practice. The objective was to uncover patterns of frequently occurring incidents that are in need of careful prospective investigation. Forty-seven interviews were conducted with staff and resident anesthesiologists at one urban teach...