Table 1 Demographic characteristics of patients diagnosed with CVD from the THIN Database.

From: Colour vision deficiency and sputum colour charts in COPD patients: an exploratory mixed-method study

Demographic feature n = 79 CVD participants, median (IQR) or %
Age (years) 32 (15)
Male 78 (98.7%)
Ethnicity  
 White 39 (49.4%)
 Others 1 (1.3%)
 Missing 39 (49.4%)
Read codes  
 F485.11 (colour blind) 73 (92.4%)
 F485100 deutan defects 1 (1.3%)
 F485z00 (colour blindness not otherwise specified) 5 (6.3%)