Centre 1 | Centre 2 | Centre 3 | Centre 4 | Centre 5 | TOTAL | |
Patients with VF loss, n | 1373 | 2404 | 11 589 | 5713 | 4681 | 25 760 |
VFs, n | 7813 | 19 654 | 121 939 | 36 011 | 35 737 | 223 379 |
Sex (% men) | 45.6 | 45.2 | 47.1 | 47.7 | 44.8 | 46.5 |
Median (IQR) Age (years) at presentation | 75(67, 80) | 71(61, 78) | 71(61, 78) | 71(62, 79) | 69(58, 77) | 71(61, 78) |
% of unreliable VFs | 3.0 | 4.4 | 5.1 | 4.3 | 4.1 | 4.6 |
Median (IQR) MD at presentation (dB) | −6.5 (−11.7, -3.9) | −5.8 (−10.6, −3.6) | −5.7 (−10.1, −3.6) | −5.4 (−9.9, −3.5) | −5.4 (−9.9, −3.5) | −5.6 (−10.2, −3.6) |
% patients with advanced VF loss at presentation | 29.6 | 25.0 | 24.2 | 23.0 | 22.8 | 24.0 |
Patients* with VF series >4 years, n | 843 | 1786 | 9208 | 3917 | 3480 | 19 264 |
Median (IQR) MD loss per year (dB/year)* | −0.37(−1.2, 0.32) | −0.26(−0.90, 0.20) | −0.23(−0.83, 0.21) | −0.19(−0.81, 0.27) | −0.10(−0.71, 0.37) | −0.21(−0.83, 0.26) |
% Patients LSY >3 years | 12.5 | 12.9 | 11.8 | 10.1 | 10.0 | 11.2 |
Median (IQR) interval between VFs (months) | 12.6(8.6, 18.1) | 10.3(7.6, 13.6) | 9.5(7.2, 13.0) | 15.4(11.5, 21.1) | 12.3(9.6, 16.5) | 11.2(8.1, 15.8) |
LSY, Loss of Sight Years; MD, mean deviation; VF, visual field.