. 2019 Apr 26;20:142. doi: 10.1186/s12882-019-1309-y

Table 2.

Univariate Meta-regression for Effects of Self-management Intervention on Primary Outcomes

	All-cause mortality				Risk of dialysis				Change in GFR				24 h urine protein
Covariates	No.	R², %^a	P Value^b	β (95% CI)	No.	R², %	P Value	β (95% CI)	No.	R², %	P Value	β (95% CI)	No.	R², %	P Value	β (95% CI)
Age
≥65y	4	0.00	0.56	0.34[−1.37,1.99]	4	0.00	0.38	0.52[− 1.10,2.14]	4	0.00	0.77	−0.09[−0.82,0.63]	3	0.00	0.37	0.49[−1.32,2.29]
<65y	1	0.00	0.56	0.34[−1.37,1.99]	1	0.00	0.38	0.52[− 1.10,2.14]	4	0.00	0.77	−0.09[−0.82,0.63]	1	0.00	0.37	0.49[−1.32,2.29]
Treatment duration
>12 m	3	0.00	0.74	−0.41[−4.09,3.26]	3	0.00	0.276	0.78[−1.08,2.63]	3	0.00	0.76	0.09[−0.63,0.82]	2	0.00	−0.96	−0.36[−2.0,1.25]
≤12 m	2	0.00	0.74	−0.41[−4.09,3.26]	2	0.00	0.276	0.78[−1.08,2.63]	5	0.00	0.76	0.09[−0.63,0.82]	2	0.00	−0.96	−0.36[−2.0,1.25]
Diabetic kidney disease
CKD	4	0.00	0.32	−0.64[− 2.37,1.08]	4	0.00	0.902	−0.07[−1.82,1.67]	5	9.11	0.32	−0.30[− 0.97,0.38]	2	0.00	0.44	0.36[−1.25,1.97]
DKD	1	0.00	0.32	−0.64[− 2.37,1.08]	1	0.00	0.902	−0.07[−1.82,1.67]	3	9.11	0.32	−0.30[− 0.97,0.38]	2	0.00	0.44	0.36[−1.25,1.97]

^aR² indicated the proportion of between-study variance explained by the model. ^bP value represented to P value of Q model. P<0.05 indicated a between-group difference of the effects of self-management intervention for the covariate