Table 1 Comparison of patients in whom scans were possible and not possible with the pupils undilated

Variable	Undilated scans	Undilated scans	p Value
Variable	possible (n = 29)	not possible (n = 9)	p Value
Sex	44.8% male	55.6% male	>0.1
Age	62 (39 to 80)	72 (44 to 88)	>0.1
Pupil*	4.0 (2.5 to 7.0)	3.0 (2.5 to 5.0)	0.024
NO	1.5 (0.5 to 3.5)	2.5 (1.0 to 3.5)	0.030
NC	2.0 (0.5 to 3.5)	2.65 (0.5 to 3.1)	0.08
C	1.0 (0 to 2.5)	2.0 (0 to 2.5)	0.024
P	0.5 (0 to 1.5)	1.0 (0 to 2.0)	0.037

For pupil size, NO, NC, C and P, the median (range) is given.
*Pupil size undilated (mm).
C, cortical grade; NC, nuclear colour grade; NO, nuclear opalescence grade; P, posterior subcapsular grade.