{"batchcode": "160M21A", "histograms": [{"histogram": {"Blood pressure increased": 1, "Blood test": 1, "Computerised tomogram": 1, "Dizziness": 1, "Laboratory test": 1, "Loss of personal independence in daily activities": 1, "Magnetic resonance imaging head abnormal": 1, "Memory impairment": 1, "Mobility decreased": 1, "Nystagmus": 1, "Transient ischaemic attack": 1, "Vertigo": 1, "Vision blurred": 1, "Walking aid user": 1}, "batchcodes": ["160M21A"]}]}