Table 3.

Extra-ocular manifestations of the NAAION and AAION groups.

	n (%) or median [interquartile range]
	Non-arteritic AION n = 94	Arteritic AION n = 94	Total n = 188	p value
Headache	8 (8.5%)	71 (75.5%)	79 (42.0%)	<0.001
Abnormal temporal artery	0 (0.0%)	32 (34.0%)	32 (17.0%)	<0.001
Jaw claudication	1 (1.1%)	58 (61.7%)	59 (31.4%)	<0.001
Scalp tenderness	2 (2.1%)	50 (53.2%)	52 (27.7%)	<0.001
Dry cough	1 (1.1%)	10 (10.6%)	11 (5.9%)	0.001
Fever	0 (0.0%)	9 (9.6%)	9 (4.8%)	0.003
Constitutional symptoms	4 (4.3%)	51 (54.3%)	55 (29.3%)	<0.001
Distal arthritis	1 (1.1%)	10 (10.6%)	11 (5.9%)	0.001
Polymyalgia symptoms	1 (1.1%)	14 (14.9%)	15 (8.0%)	<0.001
CRP (mg/L)	1 [1, 4]	70 [31, 108]	16 [1, 73]	<0.001
ESR, mm/h	13 [8, 22]	86 [57, 101]	48 [15,92]	<0.001
Leucocytes, G/L	7.9 [6.1, 10.9]	10.2 [8.4, 11.8]	9.6 [7.6, 11.7]	0.004
Haemoglobin, g/dL	13.4 [12.6, 14.4]	11.8 [10.9-12.9]	12.3 [11.0-13.5]	<0.001
Platelets, G/L	270 [198, 300]	443 [345, 536]	357 [274, 462]	<0.001
Fibrinogen, g/dL	3.5 [2.7, 3.8]	6.4 [5.2, 7.6]	5.7 [4.1-7.2]	<0.001
Lymphocytes, G/L	1.5 [1.1, 2.0]	1.6 [1.3, 2.0]	1.6 [1.2, 2.0]	0.503
Monocytes, G/L	0.5 [0.4, 0.6]	0.8 [0.5, 1.0]	0.7 [0.5, 0.9]	<0.001

AION anterior ischaemic optic neuropathy, CRP C-reactive protein.