Table 4.

Medication Data.

	Overall	Hemodialysis	Peritoneal dialysis	P value
Final cohort (patients): n	3017	2243	774
Patients on any medication: n (%)	3016 (99.97%)	2242 (99.96%)	774 (100%)
Patients on as needed (PRN) medications: n (%)	2929 (97.1%)	2169 (96.7%)	760 (98.2%)	.0336
Number of medications per patient
Mean (SD)	17.7 (5.7)	18.1 (5.9)	16.7 (5)	.0001
Number of non-regularly scheduled medications per patient
Mean (SD)	12.4 (4.2)	12.3 (4.2)	12.5 (4.2)	.2725
Number of as needed (PRN) medications per patient
Mean (SD)	5.3 (3.1)	5.7 (3.2)	4.2 (2.2)	.0001
Patients on medications by category: n (%)
Cardiovascular	2862 (94.9%)	2127 (94.8%)	735 (95.0%)	.8852
Diabetes	1147 (38.0%)	843 (37.6%)	304 (39.3%)	.4028
Renal	3013 (99.9%)	2240 (99.9%)	773 (99.9%)	.9760
Symptoms	2958 (98.0%)	2194 (97.8%)	764 (98.7%)	.1220
Other	2763 (91.6%)	1996 (89.0%)	767 (99.1%)	<.00001
Number of medications by patient: mean (SD)
Cardiovascular	3.5 (2.0)	3.5 (2.02)	3.6 (2.0)	.1927
Diabetes	0.6 (0.8)	0.6 (0.83)	0.7 (0.9)	.0107
Renal	4.7 (1.4)	5.0 (1.33)	3.9 (1.2)	<.0001
Symptoms	5.8 (3.0)	6.0 (3.21)	5.2 (2.2)	<.0001
Other	3.1 (2.3)	3.0 (2.33)	3.5 (2.1)	<.0001
Patients with diabetes
Number of medications: mean (SD)	18.5 (5.7)	18.7 (5.9)	17.8 (4.8)	.0002
Number of diabetes medications: mean (SD)	0.9 (0.9)	0.8 (0.9)	1.0 (0.9)	<.0001
Patients without diabetes
Number of medications: mean (SD)	15.9 (5.5)	16.5 (5.7)	14.6 (4.6)	<.0001
Number of medications by age group: mean (SD)
18 to < 40 years	15.4 (6.1)	16.1 (6.4)	13.4 (4.8)	<.0001
40 to < 65 years	17.7 (5.8)	18.1 (6.1)	16.5 (4.8)	<.0001
65 to < 80 years	18.4 (5.6)	18.7 (5.8)	17.3 (5.0)	<.0001
≥80 years	17.3 (5.4)	17.2 (5.4)	17.3 (5.1)	.8570
Number of medications by dialysis vintage group: mean (SD)
≤1 year	16.9 (5.7)	17.3 (5.9)	16.1 (5.0)	<.0001
1 to 3 years	17.6 (5.6)	18.2 (5.8)	16.5 (4.9)	<.0001
>3 years	18.0 (5.8)	18.2 (6.0)	17.3 (5.0)	.0006