Additional file 1 of Age- and gender-specific trends in respiratory outpatient visits and diagnoses at a tertiary pediatric hospital in China: a 10-year retrospective study

Additional file 1 Appendix 1: Diagnosis classification according ICD-10. Appendix 2: Missing rate and distribution comparison of gender and age. Appendix 3: Age and gender distribution of patients through 10 years, 2009–2018.