Different stages of CKD per eGFR calculated by EPI formula at the start of study.

Table 4: Different stages of CKD per eGFR calculated by EPI formula at the start of study.

CKD Stage		No	Yes	Combined
		Treatment	Treatment		p-value
1	N	3466	13624	17090
	% Group	35.53	35.2	35.27
2	N	4914	19602	24517
	% Group	50.38	50.64	50.59
3	N	1291	5145	6435
	% Group	13.23	13.29	13.28
4	N	67	268	335
	% Group	0.69	0.69	0.69
5	N	17	67	84
	% Group	0.17	0.17	0.17
Total	N	9755	38706	48461	0.9846
	% Group	20.13	79.87	100

Note: ANOVA p-value overall, 0.9846 (no post-hoc comparisons per separate stages). Differences between treatment groups for stages were compared using ANOVA. No post-hoc comparisons per separate stages.
Abbreviations: CKD: Chronic kidney disease; N: Number.