Table 2.

Ocular pain characteristics in patients with and without TC pain

Characteristics	TC pain n=81 Case number n (% of total)	Non-TC pain n=241 Case number n (% of total)	p-value
Trigger points
Occipital region	81 (100)	0	<0.001
Shoulder	47 (58)	0	<0.001
Elbow	45 (55.6)	0	<0.001
Duration
Persistent between paroxysms	81 (100)	13 (5.4)	<0.001
Persistent	0	68 (28.2)	<0.001
Intermittent	0	160 (66.4)	<0.001
Ocular pain characteristics
Deep	81 (100)	2 (0.8)	<0.001
Superficial	0	239 (99.2)	<0.001
Dull	6 (7.4)	3 (1.2)	0.04
Sharp	2 (2.5)	14 (5.8)	0.2
Throbbing	3 (3.7)	0	0.03
Shooting	1 (1.2)	1 (0.4)	0.4
Pressure	5 (6.2)	1 (0.4)	<0.001
Pinch	0	1 (0.4)	0.7
Numbness	2 (2.5)	0	0.02
Fluctuating	6 (7.4)	0	<0.001
Ocular pain location
Isolated in eye	53 (65.4)	232 (96.3)	<0.001
Associated with headache	28 (34.6)	9 (3.7)	0.5
Frontal	9 (11.1)	3 (1.2)
Temporal	12 (14.8)	5 (2.1)
Occipital	9 (11.1)	0
Facial	5 (6.2)	1 (0.4)
Radiation to			0.5
Ear	4 (4.9)	0
Neck	3 (3.7)	0
Teeth	2 (2.5)	0
Nose	2 (2.5)	0
Shoulder	3 (3.7)	0

Abbreviation: TC trigeminal–cervical.