Table 4.

The difference between left and right side of the subaxial pedicles (2)

	PTA			PSA
	Left	Right	P value	Left	Right	P value
C3	46.13° ± 3.74°	46.60° ± 3.11°	0.5315	14.13° ± 1.67°	13.56° ± 2.03°	0.2814
C4	48.16° ± 1.66°	48.89° ± 3.85°	0.4365	7.27° ± 1.56°	6.92° ± 1.25°	0.2647
C5	49.29° ± 3.14°	48.50° ± 3.51°	0.2805	2.38° ± 1.19°	3.04° ± 1.48°	0.0364*
C6	43.93° ± 3.74°	44.68° ± 4.20°	0.2727	−4.73° ± 2.72°	−4.37° ± 2.06°	0.2862
C7	37.98° ± 4.77°	39.60° ± 4.78°	0.0058*	−6.73° ± 1.36°	−7.16° ± 1.69°	0.2736

Values are the mean and standard deviation in degrees.

^*Statistically significant (P < 0.05). PSA: pedicle sagittal angle of the subaxial cervical spines vis-à-vis side, PTA: pedicle transverse angle.