Detailed reasons for the exclusion of screened patients from randomization, and why some randomized patients did not receive study treatment, are listed in Data S1.
After exclusion of screened Chinese names from the telephone directory, we randomly selected phone numbers from the remaining numbers for the White sample.
Basic socio-demographic data and specific reasons for refusal of study participation of all screened patients and relatives, as well as exclusions of screened patients due to the above-mentioned exclusion criteria, will be closely documented.
Second, the high exclusion rate of screened patients in the included studies (such as immunosuppressed patients and those requiring long-term antibiotic therapy) precluded generalization of the study results.
In the present study, recreational cannabis users made more premature responses despite exclusion of those screening positive for cannabis metabolites, suggesting that our findings were not related to acute cannabis effects.
Exclusion criteria: (1) Current psychotic symptoms (2) Severe depression at the time of screening.
JD systematically extracted the following data from the papers: authors and year of publication, study setting and location, method of screening and inclusion/exclusion criteria, method and level of randomisation, components of interventions, sample size, attrition rates, follow-up times, recovery outcome measures and recovery results.
65 We disagree that statistical adjustment and exclusion of prevalence screening data, which they recommend, are adequate to manage problems of lead time.
A notable limitation of the Korean-, US- and German-based studies was the exclusion of cancer screening, which is regarded as a key component of the preventive health approach, particularly for older adults [ 32].
Of these, 459 met our exclusion criteria after screening the titles and abstracts.
