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%)