All patients were followed up quarterly for 2 years and then semiannually.
2
Follow-up evaluations occurred semiannually for the next 5 years and annually thereafter.
3
Design: All-night sleep EEG was recorded semiannually for 6 years.
4
Echocardiograms were obtained semiannually and evaluated in a blinded fashion.
5
Dementia severity was measured semiannually with the Bedford Alzheimer Nursing Severity-Scale (BANS-S).
6
Participants were followed semiannually for 3 years.
7
Methods: We followed 272 subjects semiannually for up to 30 months.
8
Sexual behavior data were obtained by computer-assisted self-interview, and sera were collected semiannually for HIV and HSV-2 serology.
9
Physicians performed assessments at baseline, semiannually, and shortly after death of pain, agitation, shortness of breath, and treatment provided for these symptoms.
10
Methods: Subjects were 953 individuals with RA from a US cohort who provided data semiannually over 18 months (years 2002-2005).
11
All patients were followed up quarterly for 2 years and then semiannually.
12
Follow-up evaluations occurred semiannually for the next 5 years and annually thereafter.
13
Design: All-night sleep EEG was recorded semiannually for 6 years.
14
Echocardiograms were obtained semiannually and evaluated in a blinded fashion.
15
Dementia severity was measured semiannually with the Bedford Alzheimer Nursing Severity-Scale (BANS-S).
16
Participants were followed semiannually for 3 years.