Table 1

Total number of patients with IPF in Finland confirmed by extrapolation (groups 1 and 3) or by evaluation (group 2)

Study groupsPrimary screen diagnosis J84.1No of reviewed medical recordsNo of patients with IPF confirmed by evaluationNo of patients with IPF confirmed by extrapolation†Total no of IPF patients in 3 study groups
*Range of variation between lowest and highest observed percentage shown in bold; †number of patients with diagnosis J84.1 corrected with the number of confirmed IPF diagnoses by evaluation.
Group 1
    University 1 75 4021 (53%) 39
    University 2 57 3121 (68%) 39
    University 324110753 (50%)120
    University 4122 6235 (56%) 69
    University 5155 7248 (67%)103
    Central 1 99 3921 (54%) 54
    Central 2154 8140 (49%) 76
    Regional 1 35 3527 (77%) 27
    Total938467527527
Group 2
    5 centres Not known All113113
Group 3
    16 centres 394 None(49–77%)*193–303193–303
Total 833–943