Table 3.

Hazard ratios (95% CI) for Functional Status (FS) score and survival, by various levels of adjustment.

	Model 1: Crude	Model 2: + age	Model 3: + demographics	Model 4: + comorbidities	Model 5: + labs	Model 6:+ vascular access	Model 7: + cachexia
Functional Status (FS) score
FS < 8	4.56 (3.80–5.47)	3.34 (2.76–4.03)	3.63 (3.00–4.39)	2.65 (2.16–3.26)	2.46 (2.00–3.02)	2.46 (1.99–3.04)	2.37 (1.92–2.94)
8 ≤ FS < 11	2.62 (2.20–3.11)	2.07 (1.74–2.47)	2.23 (1.87–2.66)	1.81 (1.50–2.17)	1.69 (1.41–2.03)	1.70 (1.41–2.04)	1.65 (1.38–1.99)
11 ≤ FS < 13	1.52 (1.27–1.82)	1.33 (1.11–1.60)	1.39 (1.16–1.67)	1.26 (1.06–1.51)	1.24 (1.03–1.49)	1.24 (1.04–1.49)	1.24 (1.03–1.48)
FS = 13	1 (Ref.)	1 (Ref.)	1 (Ref.)	1 (Ref.)	1 (Ref.)	1 (Ref.)	1 (Ref.)

All models stratified by country, and accounting for facility clustering effects; Demographics: gender, black race, body mass index, years on dialysis; Comorbidities: listed in Table 2, Labs: serum albumin, creatinine, phosphorus, hemoglobin, single pool Kt/V.