Fig. 3From: A study on the 10-year trend of surgeries performed for lumbar disc herniation and comparative analysis of prescribed opioid analgesics and hospitalization duration: 2010–2019 HIRA NPS DataTrends of prescribed opioid analgesics after lumbar surgery. A: Number of patients prescribed opioid analgesics (by categories); B: Percentage of patients prescribed opioid analgesics (by categories)Back to article page