Task: Answer Verification
Input (English): Question: Does preoperative anemia increase postoperative morbidity in elective cranial neurosurgery?
Answer: Preoperative anemia in elective cranial neurosurgery was independently associated with an increased risk of 30-day postoperative mortality and morbidity when compared to non-anemic patients. A hematocrit level below 33% (Hgb 11 g/dl) was associated with a significant increase in postoperative morbidity.
Output (English): yes