Table 4

Frequency of the consumption of driving-impairing medicines A, N and R ATC group

ATC groupFrequency of usePatients under treatment
% (95% CI)
Drivers under treatment
% (95% CI)
MalesFemalesTotalFemalesMalesTotal
A Acute0.68 (0.61 to 0.74)1.53 (1.44 to 1.62)1.12 (1.06 to 1.18)0.57 (0.5 to 0.64)2.22 (1.96 to 2.47)0.94 (0.86 to 1.02)
Subacute17.7 (17.4 to 18)29.63 (29.28 to 29.98)23.87 (23.64 to 24.11)17.69 (17.34 to 18.04)53.18 (52.32 to 54.03)25.62 (25.27 to 25.97)
Chronic81.62 (81.32 to 81.93)68.84 (68.49 to 69.19)75.01 (74.77 to 75.24)81.74 (81.38 to 82.09)44.6 (43.75 to 45.46)73.44 (73.09 to 73.8)
N Acute18.06 (17.92 to 18.21)12.79 (12.69 to 12.89)14.79 (14.7 to 14.87)18.02 (17.85 to 18.2)16.55 (16.34 to 16.75)17.45 (17.31 to 17.58)
Subacute21.6 (21.44 to 21.76)18.8 (18.68 to 18.91)19.86 (19.76 to 19.95)23.53 (23.34 to 23.72)25.72 (25.48 to 25.97)24.39 (24.24 to 24.54)
Chronic60.33 (60.15 to 60.52)68.41 (68.27 to 68.55)65.36 (65.24 to 65.47)58.45 (58.23 to 58.67)57.73 (57.45 to 58.01)58.17 (57.99 to 58.34)
R Acute71.93 (71.5 to 72.36)74.38 (74.01 to 74.76)73.29 (73.01 to 73.58)70.21 (69.61 to 70.81)78.92 (78.17 to 79.66)73.18 (72.71 to 73.65)
Subacute22.63 (22.24 to 23.03)21.93 (21.57 to 22.28)22.24 (21.98 to 22.5)23.86 (23.3 to 24.42)18.49 (17.78 to 19.2)22.03 (21.58 to 22.47)
Chronic5.43 (5.22 to 5.65)3.69 (3.53 to 3.85)4.46 (4.33 to 4.6)5.93 (5.62 to 6.24)2.59 (2.3 to 2.88)4.79 (4.56 to 5.02)
  • A, alimentary tract and metabolism; ATC, Anatomical Therapeutic Chemical Classification System; N, nervous system; R, respiratory system.