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Table 2 Characteristics of confirmed cases of SCLC following the case validation exercise

From: 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

Characteristic No. of patients
N = 381
n (%)
Recorded symptoms 322 (84.5)
 Haemoptysis 38 (11.8)
 Chest infection 58 (18.0)
 Cough 51 (15.8)
 Shortness of breath 37 (11.5)
 Chest, abdominal or back pain 49 (15.2)
 COPD/respiratory complications 41 (12.7)
 Abnormal weight loss 13 (4.0)
 Indirect finding 35 (10.9)
First diagnostic procedure recorded 278 (73.0)
 Chest X-ray 182 (65.5)
 CAT scan 49 (17.6)
 Abdominal ultrasound 5 (1.8)
 Bronchoscopy 33 (11.9)
 Biopsy 5 (1.8)
 Other 4 (1.4)
Stage
 Known 242 (63.5)
 Limited 55 (23.7)*
 Extensive 187 (76.3)*
 Unknown 139 (36.5)
Chemotherapy/radiotherapy
 Chemotherapy 212 (55.6)
 Radiotherapy 120 (31.5)
Metastasis 144 (37.8)
Asbestos exposure 11 (2.9)
  1. *Percentage of the 242 cases with recorded stage
  2. Computed tomography scan; CAT, COPD chronic obstructive pulmonary disease, SCLC small cell lung cancer