Additional file 1: of Feasibility and validity of The Health Improvement Network database of primary care electronic health records to identify and characterise patients with small cell lung cancer in the United Kingdom

Figure S1. Kaplan–Meier cumulative survival estimates for the cohort of patients with newly diagnosed SCLC. Figure S2. Kaplan–Meier cumulative survival estimates for the cohort of patients with newly diagnosed SCLC, stratified by sex. Figure S3. Kaplan–Meier cumulative survival estimates for the cohort of patients with newly diagnosed SCLC, stratified by age. Table S1. Read codes suggestive of lung cancer of small cell cancer. Table S2. Read codes and additional health data codes used to request free text comments for manual review Table S3. Case classification after manual review of patient profiles with free text comments for the sample of 400 patients. Table S4. Positive predictive value of SSc in THIN by age, sex and smoking status following the manual review process including the free text. (DOCX 1789 kb