Table 4.

Discriminant functions at group centroids table.

Criterion – diagnosis of pain	Discriminant function
	1	2	3
M79X: Soft tissue disorders	0.243	0.295	−0.020
G43X, 44X, G 50–59: Migraine, Headache, Nerve, nerve root and plexus disorders	−1.256	−0.123	−0.001
RXXX: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified	0.219	0.213	0.055
M480-M54X: Dorsopathies	0.554	−0.496	−0.003

Note: Only the first discriminant function is significant (p < 0.05).