Clinical decision support improves physician guideline adherence for laboratory monitoring of chronic kidney disease: a matched cohort study

Table 3 Estimated odds ratio for ordering laboratory tests within guideline-recommended intervals: CDSS vs Controls

Test	Group	N	N (%) in compliance	OR (CI)^a	p-value
eGFR	CDSS	7518	6664 (89)	1.59 (1.45, 1.74)	<0.001
eGFR	Control	18979	15462 (81)	1.59 (1.45, 1.74)	<0.001
PTH	CDSS	8030	2106 (26)	1.68 (1.57, 1.80)	<0.001
PTH	Control	20121	3405 (17)	1.68 (1.57, 1.80)	<0.001
25-D	CDSS	7630	3638 (48)	1.60 (1.51, 1.69)	<0.001
25-D	Control	17132	5942 (35)	1.60 (1.51, 1.69)	<0.001
Calcium	CDSS	8335	7076 (85)	1.65 (1.54, 1.77)	<0.001
Calcium	Control	20718	15683 (76)	1.65 (1.54, 1.77)	<0.001
Phosphorus	CDSS	7653	3096 (41)	1.88 (1.76, 2.01)	<0.001
Phosphorus	Control	19247	5129 (27)	1.88 (1.76, 2.01)	<0.001
CO2	CDSS	9173	7475 (82)	1.87 (1.75, 1.98)	<0.001
CO2	Control	23089	16158 (70)	1.87 (1.75, 1.98)	<0.001
Hemoglobin	CDSS	9290	6163 (66)	1.82 (1.73, 1.92)	<0.001
Hemoglobin	Control	22500	11593 (52)	1.82 (1.73, 1.92)	<0.001
TSAT	CDSS	9270	1321 (14)	1.29 (1.20, 1.39)	<0.001
TSAT	Control	22414	2540 (11)	1.29 (1.20, 1.39)	<0.001
LDL-C	CDSS	8017	4488 (56)	1.79 (1.70, 1.89)	<0.001
LDL-C	Control	18640	7776 (42)	1.79 (1.70, 1.89)	<0.001
Urine panel	CDSS	6985	2265 (32)	1.56 (1.46, 1.67)	<0.001
Urine panel	Control	15874	3525 (22)	1.56 (1.46, 1.67)	<0.001

^aValues are odds ratios for ordering CKD relevant testing in accordance with guidelines after adjustment for age at entry into the cohort, gender, CKD stage, and physician specialty

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