Table 1

 Number of patients, sex, median age, and mean annual incidence of organising pneumonia (OP)

Cryptogenic OPSecondary OPTotal
No of patients5846104
M/F31/2725/2156/48
Median (range) age at diagnosis(years)66 (15–87)70 (26–83)67 (15–87)
Mean (95% CI) annual incidence per 100 000
    Men1.13 (0.79 to 1.62)0.94 (0.64 to 1.40)2.08 (1.60 to 2.71)
    Women1.06 (0.73 to 1.53)0.80 (0.52 to 1.22)1.86 (1.41 to 2.46)
    Total1.10 (0.85 to 1.42)0.87 (0.65 to 1.16)1.97 (1.62 to 2.39)