Table 1.

Rater Characteristics

	n	%
Number of raters	36	100
Medical center
Academic	26	72
Non‐academic	10	28
Use of 5‐ALA at center
Yes	30	91
No	3	9
Specialty
Neurosurgeons	24	67
Non‐neurosurgeons	12	33
Level of training a
Resident	11	52
Consultant	10	48
Clinical focus on neurooncology a
Yes	17	77
No	5	23

5‐ALA, 5‐aminolevulinic acid.

^aWithin neurosurgeons.