Table 1.

Baseline characteristics of elderly patients on incident dialysis (the Geriatric Assessment in Older Patients Starting Dialysis Study)

Baseline characteristics	All, n=123	Frail, n=92; 75%	Fit, n=31; 25%	P Value
Demographics
Age, yr	76 (±7)	76 (±7)	74 (±7)	0.28
Sex (men), %	64	60	77	0.08
Single status/widow(er), %	37	40	29	0.26
Living in nursing home facility, %	6	8	0	0.11
University level of education, %	21	19	29	0.22
Cause of kidney failure, %				0.16
Vascular	50	53	39
Diabetes	19	20	16
GN	3	2	7
Interstitial nephropathy	3	3	3
Polycystic	2	0	10
Other	11	11	12
Unknown	11	11	13
Clinical parameters
Treatment modality hemodialysis, %	76	79	68	0.10
Acute-start dialysis, %	23	28	6	0.01
Systole, mmHg	149 (±22)	148 (±23)	149 (±19)	0.70
Diastole, mmHg	74 (±14)	74 (±15)	76 (±10)	0.57
Body mass index	27 (±6)	27 (±6)	27 (±3)	0.90
Current or former smoker, %	75	73	79	0.58

Mean (±SD).