Table 4.

Distribution of the imaging intervals and duration of imaging after completion of adjuvant temozolomide (TMZ). Also shown is the standardised protocol implemented where there is suspected progression

Scan interval and duration	No. of centres, n (%)
3 monthly intervals for 6 months	3 (10%)
3 monthly intervals for 12 months	4 (13%)
3 monthly intervals for 18 months	1 (3%)
3 monthly intervals for 24 months	9 (29%)
3 monthly intervals for life	8 (26%)
4 monthly intervals for 18 months	2 (6%)
6 monthly intervals for life	4 (13%)
Protocol in suspected progression	No. of centres, n (%)
Additional imaging at 4–6 weeks	7 (23%)
Additional imaging at 6–12 weeks	4 (13%)
No standardised protocol	14 (45%)
No additional confirmatory scan	6 (19%)