Table 1 : Summary of Patients characteristics.
| Patient characteristics | Outcome |
| Patients’ source | |
| Alnoor Kidney Centre | 334 |
| Jeddah Kidney Centre | 69 |
| Age at referral to nephrology care | |
| Mean(SD) | 44.3(16.4) |
| Range(low, high) | (1.9, 89.7) |
| Missing | 113 |
| Sex (%) | |
| Male | 231(57.3) |
| Nationality (%) | |
| Saudi | 375(93.1) |
| Period of dialysis in years | |
| Mean(SD) | 6.2(5.2) |
| Range(low, high) | (0.01, 21.2) |
| Missing | 13 |
| Patient status during 2011 | |
| Survive | 366 |
| Dead | 27 |
| Renal transplanted | 10 |
SD= standard deviation.