Table 1. Distribution of cases from the four referral hospitals, Sydney, Australia, 2007–2010 (n = 1722).
| Characteristics | Hospital A | Hospital B | Hospital C | Hospital D | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| n(%) | n(%) | n(%) | n(%) | n(%) | ||||||
|
Age group (years) |
||||||||||
| < 5 | 120 | (25.9) | 396 | (72.0) | 0 | (0.0) | 121 | (42.2) | 637 | (37.1) |
| 5–12 | 32 | (6.9) | 111 | (20.2) | 0 | (0.0) | 25 | (8.7) | 168 | (9.8) |
| 13–24 | 34 | (7.3) | 43 | (7.8) | 61 | (14.6) | 26 | (9.1) | 164 | (9.6) |
| 25–49 | 82 | (17.7) | 0 | (0.0) | 156 | (37.4) | 49 | (17.1) | 287 | (16.7) |
| 50–75 | 123 | (26.5) | 0 | (0.0) | 119 | (28.5) | 28 | (9.8) | 270 | (15.7) |
| > 75 | 72 | (15.6) | 0 | (0.0) | 81 | (19.7) | 38 | (13.2) | 191 | (11.1) |
| Unknown | 1 | (0.1) | 0 | (0.0) | 4 | (0.3) | 0 | (0.0) | 5 | (0.3) |
| Sex | ||||||||||
| Male | 241 | (52.2) | 313 | (56.9) | 258 | (61.7) | 143 | (50.5) | 955 | (55.5) |
| Female | 221 | (47.8) | 237 | (43.1) | 160 | (38.3) | 140 | (49.5) | 758 | (44.0) |
| Unknown | 2 | (0.1) | 0 | (0.0) | 3 | (0.2) | 4 | (0.3) | 9 | (0.5) |
| Total | 464 | (27.0) | 550 | (31.9) | 421 | (24.3) | 287 | (16.8) | 1722 | (100.0) |