Table 2 : Preliminary indicators of pre-ESRD care and primary causes of ESRD
| Outcome | Frequency | %(95% CIs) |
| Reason of referral to nephrologist | ||
| Diseases of genitourinary system | 12 | 3.6(1.9_6.2) |
| Disease of circulatory system | 134 | 39.9(34.6_45.3) |
| Endocrine, nutritional and metabolic diseases & immunity disorders | 170 | 50.6(45.1_56.1) |
| Symptoms and signs indicate to renal diseases | 20 | 6(3.7_9.0) |
| Missing/Not reported | 67 | - |
| Referral source | ||
| Emergency | 204 | 50.6(45.6_55.6) |
| Outpatient clinic | 112 | 27.8(23.5_32.4) |
| Other healthcare centres | 87 | 21.6(17.7_25.9) |
| Period of pre-ESRD care/month | ||
| 0 months (Not receiving pre-ESRD care) | 138 | 47.6(41.7_53.5) |
| <6 months | 83 | 28.6(23.5_34.2) |
| 6-12 months | 20 | 6.9(4.3_10.5) |
| >12 months | 49 | 16.9(12.8_21.7) |
| Missing/Not reported | 113 | - |
| Access at first dialysis | ||
| AVF | 32 | 8.9(6.2_12.4) |
| AVG | 9 | 2.5(1.2_4.7) |
| Catheter | 317 | 88.3(84.5_91.3) |
| PD | 1 | 0.3(0_1.5) |
| Missing/Not reported | 44 | - |
| Primary causes of ESRD | ||
| Cystic/Hereditary/Congenital disease | 29 | 7.2(4.9_10.2) |
| Diabetes | 99 | 24.6(20.4_29.1) |
| Glomerulonephritis | 26 | 6.5(4.3_9.3) |
| Hypertension/Large vessel disease | 225 | 55.8(50.8_60.7) |
| Interstitial nephritis/Pyelonephritis | 18 | 4.5(2.7_7) |
| Secondary GN/Vasculitis | 4 | 1(0.3_2.5) |
| Miscellaneous conditions | 2 | 0.5(0.1_1.8) |
AVF= arterio-venous fistula, AVG= arterio-venous graft, PD= peritoneal dialysis.