Table 2.

Repeated measures ANOVA comparing the mean values of PI and neck disability of the three groups ($N=75$).

		Pretreatment	WK3	WK6
Variables		Mean $\pm$ SD	Mean $\pm$ SD	Mean $\pm$ SD	$F$	$P$
CT Grp	PI	6.87 $\pm$ 0.99	5.83 $\pm$ 1.64	2.50 $\pm$ 0.53	7.533	0.001**
	ND	42.13 $\pm$ 16.86	29.50 $\pm$ 17.88	20.00 $\pm$ 17.82	37.881	0.001**
TOP Grp	PI	7.63 $\pm$ 2.98	4.83 $\pm$ 0.75	2.66 $\pm$ 0.81	23.156	0.001**
	ND	58.66 $\pm$ 8.91	39.00 $\pm$ 17.46	16.33 $\pm$ 9.75	40.352	0.001**
Cntr Grp	PI	7.00 $\pm$ 0.81	6.25 $\pm$ 0.95	3.75 $\pm$ 0.53	24.540	0.001**
	ND	55.32 $\pm$ 11.30	33.82 $\pm$ 1.67	21.50 $\pm$ 5.00	34.40	0.001**

Note: **significant at $P<0.001$, $\mathrm{\text{WK}}=\mathrm{\text{week}}$, $\mathrm{\text{Grp}}=\mathrm{\text{Group}},\mathrm{\text{Cntr}}=\mathrm{\text{Control}}$.