Table 2

Frequency of red flag and recent general symptoms in women in the derivation and validation cohort

Derivation cohort, n (%)Validation cohort, n (%)
Red flag symptom
 Abdominal distension5080 (0.4)2489 (0.4)
 Abdominal pain133 715 (10.8)70 703 (10.6)
 Appetite loss6130 (0.5)2793 (0.4)
 Breast lump54 664 (4.4)28 536 (4.3)
 Breast pain31 050 (2.5)16 264 (2.4)
 Breast skin/nipple changes2102 (0.2)1083 (0.2)
 Dysphagia7225 (0.6)3511 (0.5)
 Dyspareunia7612 (0.6)3837 (0.6)
 Haematemesis5598 (0.5)2798 (0.4)
 Haematuria16 749 (1.3)8640 (1.3)
 Haemoptysis4252 (0.3)2117 (0.3)
 Heartburn11 981 (1.0)5913 (0.9)
 Indigestion45 619 (3.7)23 275 (3.5)
 Inter-menstrual bleeding13 098 (1.1)6454 (1.0)
 Neck lump5743 (0.5)2927 (0.4)
 Night sweats3658 (0.3)1830 (0.3)
 Post-coital bleeding2705 (0.2)1497 (0.2)
 Post-menopausal bleeding16 561 (1.3)8578 (1.3)
 Rectal bleeding24 834 (2.0)12 436 (1.9)
 Venous thrombo-embolism9605 (0.8)4819 (0.7)
 Weight loss13 491 (1.1)6874 (1.0)
Recent general symptoms
 Back pain47 438 (3.8)25 090 (3.8)
 Bruising2663 (0.2)1166 (0.2)
 Change in bowel habit3383 (0.3)1539 (0.2)
 Constipation17 101 (1.4)8708 (1.3)
 Cough48 677 (3.9)25 696 (3.8)
 Diarrhoea22 727 (1.8)11 705 (1.8)
 Dyspnoea10 574 (0.9)5267 (0.8)
 Fever4114 (0.3)1788 (0.3)
 Headache28 145 (2.3)14 899 (2.2)
 Itching3593 (0.3)1975 (0.3)
 Tiredness27 006 (2.2)13 169 (2.0)
 Nausea9477 (0.8)4672 (0.7)
 Nocturia1245 (0.1)582 (0.1)
 Urgency1532 (0.1)627 (0.1)
 Urinary frequency6961 (0.6)3188 (0.5)
 Urinary retention558 (0.0)278 (0.0)
 Urinary incontinence8977 (0.7)4627 (0.7)
 Vaginal discharge12 285 (1.0)6541 (1.0)