. 2020 May 22;42(2):96–106. doi: 10.4082/kjfm.20.0025

Table 4.

Comparison of side plank test and Oswestry results among groups

Groups	Category	Sideplank_AT– sideplank_BT	Sideplank_C– sideplank_AT	Sideplank_C– sideplank_BT	Oswestry_AT– Oswestry_BT	Oswestry_C– Oswestry_AT	Oswestry_C– Oswestry_BT
Group 1	Z-value	-4.020^*	-4.046^*	-4.286^*	-4.157^*	-2.095^*	-4.206^*
Group 1	Asymp. Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.036	0.000
Group 2	Z-value	-3.731^*	-3.833^*	-4.286^*	-4.292^*	-2.677^*	-4.288^*
Group 2	Asymp. Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.007	0.000
Group 3	Z-value	-3.824^*	-1.419^*	-3.920^*	-3.974^*	-2.445^*	-4.017^*
Group 3	Asymp. Sig. (2-tailed)	0.000	0.156	0.000	0.000	0.014	0.000
Group 4	Z-value	-3.922^*	-3.622^*	-3.621^*	-3.623^*	-3.036^*	-3.624^*
Group 4	Asymp. Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.002	0.000

AT, after treatment; BT, before treatment; C, follow-up 4 weeks; Asymp. Sig., asymptotic significance.

Based on positive ranks; by Wilcoxon signed ranks test.