Table 1:

Baseline findings of neuroradiologists

	BIMA (n = 70) (No.) (%)		NORMAL (n = 75) (No.) (%)		Odds Ratio (95% CI)a	P Valueb
	Na	(No.) (%)	Na	(No.) (%)
Arachnoid cysts	70	6 (8.6)	70	3 (4.3)	1.74 (0.41–7.37)	.45
Asymmetric ventricles	70	14 (20.0)	70	8 (11.4)	2.75 (0.94–8.03)	.06
Brain atrophy	70	22 (31.4)	71	10 (14.1)	3.00 (1.23–7.30)	.02c
Cavum septum	70	34 (48.6)	70	32 (45.7)	1.32 (0.66–2.67)	.43
Developmental venous anomalies	70	3 (4.3)	71	4 (5.6)	0.72 (0.15–3.49)	.68
DAI/TAI	70	56 (80.0)	74	45 (60.8)	3.06 (1.40–6.69)	.005c
Dilated perivascular spaces	70	33 (47.1)	72	34 (47.2)	1.06 (0.53–2.12)	.86
Lymph nodes	70	11 (15.7)	71	7 (9.9)	1.51 (0.50–4.55)	.47
Mastoid fluid	70	6 (8.6)	70	1 (1.4)	6.44 (0.70– 59.08)	.10
Microhemorrhages	70	3 (4.3)	70	0 (0.0)	NA	NA
Pineal cysts	70	32 (45.7)	70	31 (44.3)	1.33 (0.65–2.71)	.43
Pituitary abnormalities	70	9 (12.9)	71	13 (18.3)	1.15 (0.40–3.33)	.80
Sinus disease	70	35 (50.0)	71	38 (53.5)	0.95 (0.48–1.89)	.89

Note:—NA indicates not applicable.

^aNumber nonmissing for the denominator of the percentage calculation.

^bResults obtained from logistic regression models of the probability of MR imaging findings adjusted for age.

^cP < 0.05.