Patients were excluded if any of the following key variables were missing: age/date of birth, operative procedure or urgency, operation date and surgical severity, ASA-PS grade and mortality status.
Hospital data, demographic data, date of index operation, date of revision surgery, operated side, diagnosis (primary or reason for revision), type of prosthesis, and in cases of revision the type of procedure are reported.
"Efforts to calm the noise generated by subway operation date back to at least the mid-1970's mid-1970'sementheaid.
Survival period means the months from operation date or the day that biopsy proved malignant breast cancer when operation did not perform to the latest follow-up.
Patient characteristics were shown in Table 2, and demographic date, laboratory variables, radiographic findings, and operation date were shown in Table 3.
Multiple controls were matched to each case for gender, age, diagnosis, hospital, operation date, follow-up, stem type, and cup design.
Survival was determined based on operation date.
Information on operation (date, side, type), reoperation (date, side, type), and date of death was recorded.
