The data included names, national identification and phone numbers, medical records, details from police reports and other information. Though the authenticity of the full database had not been confirmed, The Post’s review of some ID numbers appeared to track with information found on a government website. The alleged hackers said there were several billion case reports — from thefts to fights to domestic violence, dated from the late 1990s to 2019 — and the records of 1 billion Chinese citizens. If authenticated, the database would cover more than 70 percent of China’s 1.4 billion residents. The personal information and reported…