Table 6.

DID analysis of the effects of different treatments on TCM syndrome score and gastric function.

Index	Variable	Coefficient	Standard error	t	P	95% CI	P
TCM syndrome score	Interaction	0.372	0.273	1.360	0.173	−0.163	0.908
	Treatment	−4.034	0.226	−17.830	0.000	−4.478	−3.590
	Time	−2.507	0.292	−8.570	0.000	−3.081	−1.933
PGR17	Interaction	3.442	2.722	1.260	0.206	−1.900	8.785
	Treatment	−5.307	2.164	−2.450	0.014	−9.555	−1.059
	Time	−15.652	2.854	−5.480	0.000	−21.255	−10.049
PGI	Interaction	0.251	1.073	0.230	0.815	−1.855	2.357
	Treatment	31.241	1.163	26.860	0.000	28.958	33.524
	Time	8.521	1.272	6.700	0.000	6.024	11.018
PGII	Interaction	0.843	1.154	0.730	0.465	−1.422	3.109
	Treatment	28.755	1.040	27.640	0.000	26.713	30.797
	Time	11.064	1.310	8.450	0.000	8.493	13.635