Application of Two-Stage Calibration to Handle Missing Clinical Data in Conducting Real-World Drug Effectiveness and Safety Evaluation – Taking Glucagon-Like Peptide-1 Receptor Agonist as an Example (II) = 應用二階段校準法處理缺失臨床資料 執行真實世界藥物療效與安全性評估:以Glucagon-like peptide-1 receptor agonist為例 (II)