Table 1.
Patient characteristics by ADS
| Overall | ADS | ||||
|---|---|---|---|---|---|
| Patient characteristic | – | -2 ≤ ADS < 0 | 0 ≤ ADS < 0.5 | 0.5 ≤ ADS < 1 | 1 ≤ ADS ≤2 |
| N patients | 2760 | 181 | 667 | 959 | 953 |
| Age, years | 60.9(14.2) | 59.0(13.4) | 59.7(14.3) | 61.2(14.4) | 61.8(14.1) |
| Sex, % male | 59% | 61% | 64% | 57% | 56% |
| BMI, kg/m2 | 26.8(6.1) | 25.7(5.5) | 26.3(6.0) | 27.1(6.2) | 27.2(6.0) |
| PD vintage, years | 1.99(2.24) | 1.80(2.02) | 2.04(2.59) | 1.94(2.10) | 2.04(2.15) |
| PD modality, % APD | 62% | 43% | 56% | 64% | 67% |
| Day dwell, % | 66% | 71% | 70% | 67% | 60% |
| Comorbid conditions (%) | |||||
| Coronary artery disease | 21% | 17% | 21% | 22% | 21% |
| Cancer (non-skin) | 11% | 8% | 11% | 10% | 13% |
| Other cardiovascular disease | 14% | 10% | 13% | 15% | 14% |
| Cerebrovascular disease | 10% | 11% | 11% | 10% | 9% |
| Congestive heart failure | 15% | 18% | 14% | 15% | 14% |
| Diabetes | 44% | 51% | 45% | 42% | 43% |
| Gastrointestinal bleeding | 2% | 2% | 2% | 2% | 2% |
| Hypertension | 91% | 93% | 92% | 89% | 90% |
| Lung disease | 5% | 5% | 5% | 6% | 5% |
| Neurologic disease | 4% | 8% | 4% | 4% | 4% |
| Psychiatric disorder | 12% | 13% | 12% | 13% | 12% |
| Peripheral vascular disease | 13% | 9% | 15% | 11% | 13% |
| Gangrene/recurrent cellulitis | 2% | 3% | 2% | 1% | 1% |
| Peritonitis in last 4 months, % | 8% | 10% | 8% | 9% | 7% |
| Albumin, g/dL | 3.45(0.56) | 3.28(0.60) | 3.42(0.57) | 3.47(0.53) | 3.47(0.56) |
| 24-h urine volume, L | 0.95(0.76) | 0.74(0.59) | 0.92(0.77) | 0.96(0.76) | 1.00(0.78) |
| Prescribed therapy volume, L/day | 7.92(3.92) | 7.72(3.24) | 7.82(3.70) | 7.94(4.09) | 8.02(4.01) |
| Peritoneal Kt/V urea | 1.39(0.53) | 1.37(0.48) | 1.42(0.52) | 1.37(0.50) | 1.40(0.56) |
| Treated with HD treatmentsa, % | 42% | 39% | 44% | 39% | 45% |
| Require help setting up/performing PD treatments | |||||
| Never | 69% | 56% | 64% | 70% | 75% |
| Some of the time | 17% | 22% | 21% | 16% | 14% |
| All of the time | 14% | 22% | 15% | 13% | 11% |
| Living arrangement | |||||
| Lives alone | 14% | 17% | 14% | 15% | 14% |
| Lives with spouse, family, or friends | 83% | 77% | 84% | 83% | 84% |
| Nursing home, institution, or assisted living unit | 1% | 3% | 1% | 0% | 1% |
| Unknown | 2% | 2% | 1% | 2% | 1% |
| Homeless | 0% | 1% | 0% | 0% | 0% |
aFacility-based or hospital-based HD treatments. Mean (standard deviation) or % shown
Abbreviations: ADS advantage/disadvantage score, APD automated peritoneal dialysis, BMI body mass index, HD hemodialysis, PD peritoneal dialysis