Table 13.

Egger’s regression test for neck disability index (NDI)

Variable	Coef	Std. Err	t	P	95% CI
Slope	0.13	0.32	0.40	0.700	− 0.60 to 0.86
Intercept	− 1.17	1.06	− 1.11	0.297	− 3.57 to 1.23