Characteristics of Modic changes in cervical kyphosis and their association with axial neck pain

Figures & data

Figure 1 Global type cervical kyphosis with Modic-1 changes in C5–C6 and C6–C7.

Figure 2 Reverse sigmoid type cervical kyphosis with Modic-2 changes in C4–C5.

Figure 3 Sigmoid type cervical kyphosis with Modic-2 changes in C5–C6.

Table 1 Comparison of Modic changes in each group

Modic types	Global type	Reverse sigmoid type	Sigmoid type
Modic-1	23	12	3
Modic-2	36	27	12

Table 2 Comparison between axial neck pain group and nonaxial neck pain group in terms of radiographic evaluation

Characteristics	Axial neck pain	Nonaxial neck pain	P
Age (years), mean ± SD	56.3±11.5	50.5±15.3	0.327
Gender, (M/F), n	68/59	72/87	0.165
BMI (kg/m^2), mean ± SD	25.9±4.5	24.5±4.9	0.632
Diabetes mellitus, n (%)	21 (16.5)	28 (17.6)	0.811
Type of CK, n			0.907
Global type	63	75
Reverse sigmoid type	45	58
Sigmoid	19	26
Modic changes, n (%)	70 (55.1)	32 (20.1)	0.000
Disc degeneration grade, mean ± SD	4.5±0.6	3.3±0.5	0.000
Spinal cord compression grade, mean ± SD	1.9±1.2	1.4±1.1	0.023
Angular motion (°),mean ± SD	7.8±4.6	8.9±5.1	0.000

Abbreviations: BMI, body mass index; CK, cervical kyphosis; M, male; F, female; SD, standard deviation.