Table 1.

Baseline characteristics at the time when treatment decision between conservative management and RRT was made

Clinical CharacteristicsCM Group No. (%) or Mean (SD), n=107RRT Group No. (%) or Mean (SD), n=204P Value
Age, yr82.5 (4.5)75.9 (4.4)<0.001
Age ≥80 yr old79 (74%)40 (20%)<0.001
Sex (men)59 (55%)135 (66%)0.06
Davies comorbidity score0.46
 No comorbidity, score 09 (8%)24 (12%)
 Intermediate comorbidity, scores 1–262 (58%)123 (60%)
 Severe comorbidity, score ≥336 (34%)57 (28%)
Cardiovascular comorbidity82 (77%)148 (73%)0.44
eGFR at time of decision, ml/min per 1.73 m215.3 (5.0)13.1 (4.3)<0.001
Median time of decline in eGFR from <20 to <15 ml/min per 1.73 m2, d (IQR)190.0 (511.4; n=73)226.0 (398.1; n=167)0.57
eGFR at start of dialysis, ml/min per 1.73 m28.3 (2.8; n=122)
Primary renal diagnoses0.25
 Renal vascular disease50 (47%)70 (34%)
 Diabetes mellitus16 (15%)35 (17%)
 Hypertension6 (6%)17 (8%)
 Pyelonephritis4 (4%)5 (3%)
 Polycystic kidneys1 (1%)6 (3%)
 GN0 (0%)5 (3%)
 Cause unknown25 (23%)50 (25%)
 Other5 (5%)16 (8%)
  • CM, conservative management; IQR, interquartile range.