Table of contents

Original research

• Prognostic value of elevated lactate dehydrogenase in patients with COVID-19: a systematic review and meta-analysis (15 January, 2021)

  Januar Wibawa Martha, Arief Wibowo, Raymond Pranata
• Screening and managing obesity: understanding paediatric residents’ knowledge, attitudes and practice (4 February, 2021)

  Vickie Wu, Carolyn Rosen, Stephanie Pan, Leora Mogilner
• Cosmetic surgeries and procedures among youth in Saudi Arabia: a cross-sectional study of undergraduate university students in the Eastern Province (4 February, 2021)

  Nouf A AlShamlan, Reem S AlOmar, Abdullah Zuhair Al-Sahow, Abeer A AlShamlan, Bayan Mohammed Almir, Wejdan M Al-johani, Abdullatif K Althunyan, Sameerah Motabgani
• Serum pepsinogen levels and OLGA/OLGIM staging in the assessment of atrophic gastritis types (30 December, 2020)

  Deniz Ogutmen Koc, Sibel Bektas
• Increased serum nesfatin-1 levels in patients with inflammatory bowel diseases (4 February, 2021)

  Şengül Beyaz, Erdem Akbal
• Migraines and keloids: a 15-year Taiwan claim database analysis (4 February, 2021)

  Ying-Yi Lu, Hao Qin, Chun-Ching Lu, Ming-Kung Wu, Cong-Liang Zhang, Chieh-Hsin Wu
• Prevalence of frailty and reliability of established frailty instruments in adult elective colorectal surgical patients: a prospective cohort study (12 January, 2021)

  Thomas Dale MacLaine, Oliver Baker, Dermot Burke, Simon J Howell
• Audit of oxygen administration to achieve a target oxygen saturation range in acutely unwell medical patients (15 February, 2021)

  James Harper, Nethmi Kearns, Grace Bird, Robert McLachlan, Allie Eathorne, Mark Weatherall, Richard Beasley