Table 1.

Baseline characteristics of modality groups

VariableHemodialysisPeritoneal DialysisConservative ManagementNot DecidedP Value
Patients (n)80443016
Men (%)765070560.02
Age (yr)60.6±14.948.0±15.677.5±6.568.3±16.4<0.001
Weight (kg)83.1±19.777.8±14.676.2±18.678.4±15.2No group differences
eGFR (ml/min per 1.73 m2)
 Per MDRD4 13.3±3.714.2±4.414.3±3.416.3±4.60.04 for HD versus not-decided
 Per CKD-EPI12.2±3.713.7±4.512.5±3.114.9±4.8No group differences
Comorbidity, n (%)
 Low52 (65)38 (86)8 (26)9 (56)<0.001
 High28 (35)6 (14)22 (74)7 (44)
KPS score, n (%)
 >7066 (82.5)43 (98)10 (33)8 (50)<0.001
 <7014 (17.5)1 (2)20 (66)8 (50)
SF-36 score
 Mental health47.6±10.745.9±10.649.9±9.952.0±40.0No group differences
 Physical health25.2±8.830.1±6.518.0±8.821.1±24.0<0.001 for HD and PD versus CKM 
0.01 for HD versus PD
HADS score
 Anxiety5.5±3.64.7±4.06.9±3.35.3±1.60.04 for HD versus CKM 
0.02 for PD versus CKM
 Depression6.1±4.06.4±4.25.2±3.34.9±17.6No group differences
SWLS score21.7±8.022.5±7.323.2±7.122.4±35.2No group differences
  • Unless otherwise noted, values are expressed as mean ± SD. eGFR, estimated GFR; MDRD4, Modification of Diet in Renal Disease 4 equation; CKD-EPI, Chronic Kidney Disease-Epidemiology Collaboration; KPS, Karnofsky performance scale; SF-36, quality-of-life assessment using Short-Form 36 questionnaire; HADS, Hospital Anxiety and Depression Scale; SWLS, Satisfaction with Life Scale (see text for explanation).