Table 2. Location of first CKD lab measure by CKD stage.

CKD stage at first lab	Primary health centre	Hospital	Total
	n % (95% CI)	n % (95% CI)
Stage 3a	21 379	17 391	38 770 (43.9%)
Row per cent	55.1% (54.6% to 55.6%)	44.9% (44.4% to 45.4%)
Column percent	54.2% (53.7% to 54.6%)	35.6% (35.2% to 36.1%)
Stage 3b	11 727	13 735	25 462 (28.8%)
Row per cent	46.1% (45.4% to 46.7%)	53.9% (53.3% to 54.6%)
Column per cent	29.7% (29.3% to 30.2%)	28.2% (27.8% to 28.6%)
Stage 4	4590	9465	14 055 (15.9%)
Row per cent	32.7% (31.9% to 33.4%)	67.3% (66.6% to 68.1%)
Column per cent	11.6% (11.3% to 11.9%)	19.4% (19.0% to 19.7%)
Stage 5	1788	8198	9986 (11.3%)
Row per cent	17.9% (17.2% to 18.7%)	82.1% (81.3% to 82.8%)
Column per cent	4.5% (4.3% to 4.7%)	16.8% (16.5% to 17.1%)
Total	39 484 (44.7%%)	48 789 (55.3%%)	88 273

CKDchronic kidney disease