Effect of 3D Animation Combined with Teach-Back Health Education on Pelvic Floor Muscle Training in LARS Patients: A Randomized Controlled Trial

Table 4

Comparison of LARSS items scores among the three groups at different time points after the operation ( ± s).

Variable	Group	Number	Preoperative	On the 14th day after surgery	1 month after surgery	3 months after surgery	Time effect	Treatment effect	Interaction effect
Exhaust incontinence	The control group	31	4.87 ± 2.17	4.35 ± 2.17	3.97 ± 1.91	2.77 ± 2.22
	Experiment group I	32	4.84 ± 2.14	4.47 ± 1.98^Δ	4.38 ± 1.93^○	2.66 ± 2.39	42.158	0.138	0.704
	Experiment group II	31	4.77 ± 2.14	4.39 ± 1.96	3.9 ± 1.58	2.32 ± 2.01
	F		0.107	0.026	0.63	0.384
			0.983	0.974	0.535	0.707
Loose stools incontinence	The control group	31	2.81 ± 0.75	2.61 ± 1.02^Δ	2.52 ± 1.12^○Δ	2.42 ± 1.20^◇Δ○
	Experiment group I	32	2.81 ± 0.74	2.53 ± 1.11^Δ	2.25 ± 1.32^○	2.16 ± 1.37^○	17.682	3.112	4.070
	Experiment group II	31	2.81 ± 0.75	2.42 ± 1.20	1.84 ± 1.49	0.97 ± 1.43^▲◆
	F		0.001	0.236	2.081	10.404
			0.999	0.790	0.131	<0.000
Defecation frequency	The control group	31	3.61 ± 1.54	3.19 ± 1.35	2.58 ± 1.29	2.45 ± 1.43
	Experiment group I	32	3.56 ± 1.56	3.00 ± 1.59	2.38 ± 1.56	1.88 ± 1.24	72.448	3.192	3.627
	Experiment group II	31	3.58 ± 1.52	2.65 ± 1.31	1.55 ± 1.23^▲◆	0.97 ± 1.02^▲◆
	F		0.009	1.187	4.944	11.268
			0.991	0.310	0.009	<0.000
Tenesmus	The control group	31	14.39 ± 2.38	13.71 ± 3.50^Δ	13.39 ± 3.51^○	12.71 ± 4.19^◇○
	Experiment group I	32	14.28 ± 2.41	13.47 ± 3.48^Δ	12.97 ± 4.19^○	10.94 ± 6.28	18.160	1.549	2.271
	Experiment group II	31	14.23 ± 2.43	13.19 ± 4.25	11.06 ± 6.87	8.65 ± 7.64^▲
	F		0.036	0.146	1.850	3.349
			0.965	0.864	0.165	0.040
A sense of urgency to defecate	The control group	31	10.55 ± 0.85	10.48 ± 0.89^Δ	10.13 ± 2.08^○Δ	9.42 ± 3.25^◇Δ○
	Experiment group I	32	10.56 ± 0.84	10.13 ± 1.01^Δ	9.16 ± 3.14	8.13 ± 4.07^◇	20.238	5.740	3.507
	Experiment group II	31	10.55 ± 0.85	9.32 ± 2.68^▲	7.68 ± 4.31^▲	5.52 ± 5.14^▲
	F		0.003	3.658	4.326	6.860
			0.997	0.034	0.017	0.002

1: comparison between groups: ^▲compared with the control group, ^◆compared with the experiment group I, all . 2: intra-group comparison: ^Δcompared with before intervention, ^○compared with 14 days after the operation, and ^◇compared with 1 month after the operation, all . 3: indicates that there were statistically significant differences between the experiment group I and experiment group II and the control group ().