Table 7.

Egger’s regression test for neck pain (VAS-neck)

Variable	Coefficient (Coef.)	Standard Error (Std. Err.)	t value	P value	95% Confidence Interval
Slope	− 0.35	0.14	− 2.56	0.031	− 0.65 to − 0.04
Intercept (bias)	3.04	1.30	2.34	0.044	0.10 to 5.97