Table 3 Baseline cohort characteristics
From: Validation of a case definition to define chronic dialysis using outpatient administrative data
| Â | Â | Â | Administrative data definitions | |||
|---|---|---|---|---|---|---|
| Â | Total Population (n = 1,118,097) | Reference Standard (n = 2,227) | 1 outpt claim (n = 2324) | At least 2 outpt claims (n = 2171) | At least 2 outpt claims 90 days apart (n = 1657) | Continuous claims (n = 1508) |
Mean Age (SD) | 52.6 (17.63) | 64.0 (15.62) | 62.8 (16.2) | 63.2 (16.1) | 63.4 (16.2) | 64.0 (16.0) |
Male (%) | 43.2 | 60.3 | 59.5 | 60.1 | 59.0 | 59.4 |
Diabetes (%) | 12.7 | 54.5 | 51.9 | 52.7 | 53.7 | 54.2 |
Hypertension (%) | 34.7 | 89.0 | 88.5 | 89.5 | 91.9 | 92.1 |
Median number of Charlson Comorbidites (median, IQR*) | 0 (0,1) | 3 (2,5) | 3 (2,5) | 3 (2,5) | 3 (2,5) | 3 (2,5) |
Median number of Outpt Physician Claims in 2008 (median, IQR*) | 8 (4,14) | 67 (24,136) | 80 (35,142) | 90 (42,145) | 124 (69,155) | 129 (81,160) |