Conventional Method (Joint Aspiration and Blood Test) DECT (Duel-Energy CT SCAN) Proposed Device (Infrared) Checking Crystals and uric acid level Uric acid crystal deposition Uric acid level Methods Invasive Noninvasive Noninvasive Portable No No Yes Cost Expensive over time Expensive Economical Accuracy Very accurate Technology dependent Technology dependent

Table 1: Comparing Conventional Method, DECT and Proposed Device.