Results 331 to 340 of about 6,049,734 (391)
Some of the next articles are maybe not open access.
Allergic conjunctivitis: a crossâsectional study
Clinical & Experimental Allergy, 2015SummaryBackgroundOcular allergy is a common disease in daily practice.ObjectivesA crossâsectional study was conducted to evaluate clinical aspects of and therapeutic approaches to ocular allergy in Italy.MethodsOf the 3685 patients affected by ocular allergy and enrolled by 304 ophthalmologists nationally, 3545 were eligible to be included in the ...
LEONARDI, ANDREA +6 more
openaire +3 more sources
2009
1. Cross-sectional studies measure the exposure and the outcome at the same time. 2. Cross-sectional studies estimate the prevalence of a disease or condition. 3. Cross-sectional studies cannot establish a temporal relationship between the exposure and the outcome.
Manolis Kogevinas, Leda Chatzi
+4 more sources
1. Cross-sectional studies measure the exposure and the outcome at the same time. 2. Cross-sectional studies estimate the prevalence of a disease or condition. 3. Cross-sectional studies cannot establish a temporal relationship between the exposure and the outcome.
Manolis Kogevinas, Leda Chatzi
+4 more sources
American Journal of Orthodontics and Dentofacial Orthopedics, 2014
Across-sectional study is an observational study in which the exposure and the outcome are determined at the same time point for each study participant. Cross-sectional studies comprise the simplest individual-level observational study design and are usually relatively inexpensive and easy to conduct compared with case-control or cohort studies.
openaire +2 more sources
Across-sectional study is an observational study in which the exposure and the outcome are determined at the same time point for each study participant. Cross-sectional studies comprise the simplest individual-level observational study design and are usually relatively inexpensive and easy to conduct compared with case-control or cohort studies.
openaire +2 more sources
Cross-sectional studies and methodology
Osteoporosis International, 2012Dear Sir, As I read the study by Patil et al. [1], I noticed that they have not stated several important points; in the methods section, the authors did not state the number of participants they contacted or the method used (telephone or direct interview?). Did they contact all of the study universe?
openaire +2 more sources

