Table 4.

Baseline demographics for patients investigated with direct access CT head imaging over 5-year period (N = 2938)

Patient variable		Significant Brain tumour
	All	Present (n = 42)
Gender
Female, N (%)	1748 (60)	23 (55)
Age (years)
Mean, SD	55.6 (18.56)	60.2 (14.38)
Age group in years, N (%)
16–29	335 (11.4)	1 (2.4)
30–39	287 (9.8)	1 (2.4)
40–49	436 (14.8)	9 (21.4)
50–59	547 (18.6)	6 (14.3)
60–69	567 (19.3)	15 (35.7)
70–79	464 (15.8)	7 (16.6)
80+	302 (10.3)	3 (7.1)
Radiological interval (days)
Mean [95% CI]	17.3 [16.9,17.6]	14.6 [12.4,16.7]*

*statistically significant difference (t-test), p = 0.05