Volume 27, Number 7—July 2021
Research
Ethnically Disparate Disease Progression and Outcomes among Acute Rheumatic Fever Patients in New Zealand, 1989–2015
Jane Oliver
, Oliver Robertson, Jane Zhang, Brooke L. Marsters, Dianne Sika-Paotonu, Susan Jack, Julie Bennett, Deborah A. Williamson, Nigel Wilson, Nevil Pierse, and Michael G. Baker
, Oliver Robertson, Jane Zhang, Brooke L. Marsters, Dianne Sika-Paotonu, Susan Jack, Julie Bennett, Deborah A. Williamson, Nigel Wilson, Nevil Pierse, and Michael G. Baker
Table 1
Key demographic and clinical characteristics of initial ARF patients born after December 31, 1983, and hospitalized during 1989–2012, New Zealand, outcomes through December 31, 2015*
| Patient characteristics | All initial ARF patients, no. | No. (%) patients |
|||||
|---|---|---|---|---|---|---|---|
| Did not experience ARF progression | Experienced ARF progression | Recurrent ARF hospitalization | RHD hospitalization | Died from any cause | Died from circulatory causes | ||
| Total |
2,182 |
1,885 (86.4) |
297 (13.6) |
142 (6.5) |
173 (7.9) |
15 (0.7) |
8 (0.4) |
| Age group, y | |||||||
| 0–4 | 77 | 70 (90.9) | 7 (9.1) | 4 (5.2) | 4 (5.2) | 1 (1.3) | 0 |
| 5–9 | 798 | 694 (87.0) | 104 (13.0) | 56 (7.0) | 55 (6.9) | 2 (0.3) | 2 (0.3) |
| 10–14 | 1,019 | 871 (85.5) | 148 (14.5) | 63 (6.2) | 95 (9.3) | 1 (0.1) | 0 |
| 15–19 | 201 | 174 (86.6) | 27 (13.4) | 14 (7.0) | 13 (6.5) | 6 (3.0) | 1 (0.5) |
| 20–29 |
87 |
76 (87.4) |
11 (12.6) |
5 (5.7) |
6 (6.9) |
5 (5.7) |
5 (5.7) |
| Sex | |||||||
| M | 1,264 | 1,123 (88.8) | 141 (11.2) | 72 (5.7) | 78 (6.2) | 10 (0.8) | 5 (0.4) |
| F |
918 |
762(83.0 |
156 (17.0) |
70 (7.6) |
95 (10.3) |
5 (0.5) |
3 (0.3) |
| Ethnicity (prioritized) | |||||||
| Māori | 1,189 | 1,025 (86.2) | 164 (13.8) | 80 (6.7) | 97 (8.2) | 8 (0.7) | 4 (0.3) |
| Pacific Islander | 795 | 681 (85.7) | 114 (14.3 | 50 (6.3) | 68 (8.6) | 6 (0.8) | 4 (0.5 |
| European/other |
198 |
179 (90.4) |
19 (9.6) |
12 6.1) |
8 (4.0) |
1 (0.5) |
0 |
| NZDep06 quintile | |||||||
| 1 | 68 | 59 (86.8) | 9 (13.2) | 5 (7.4) | 9 (13.2) | 0 | 0 |
| 2 | 102 | 88 (86.3) | 14 (13.7) | 6 (5.9) | 5 (4.9) | 0 | 0 |
| 3 | 187 | 155 (82.9) | 32 (17.1) | 11 (5.9) | 12 (6.4) | 2 (1.1) | 2 (1.1) |
| 4 | 353 | 315 (89.2) | 38 (10.8) | 19 (5.4) | 22 (6.2) | 3 (0.8) | 1 (0.3) |
| 5 | 14,60 | 1,259 (86.2) | 201 (13.8) | 99 (6.8) | 124 (8.5) | 10 (0.7) | 5 (0.3) |
| Unknown |
12 |
9 (75.0) |
3 (25.0) |
2 (16.7) |
1 (8.3) |
0 |
0 |
| Carditis | |||||||
| No | 1,050 | 951 (90.6) | 99 (9.4) | 59 (5.6) | 48 (4.6) | 5 (0.5) | 1 (0.1) |
| Yes | 1,132 | 934 (82.5) | 198 (17.5) | 83 (7.3) | 125 (11.0) | 10 (0.9) | 7 (0.6) |
*ARF, acute rheumatic fever; NZDep06 index, 2006 New Zealand Deprivation Index; RHD, rheumatic heart disease.
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