Table 4 Association between KoRV RNA and DNA subtype detection and selected koala characteristics by subject for blood samples
From: Koala retrovirus diversity, transmissibility, and disease associations
Characteristic | KoRV-B | KoRV-E | KoRV-F | ||||||
|---|---|---|---|---|---|---|---|---|---|
|  | Positive (N = 16) | Negative (N = 84) | p value | Positive (N = 8) | Negative (N = 92) | p value | Positive (N = 12) | Negative (N = 88) | p value |
RNA | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Age (years) | 5.5 | 5.8 | 0.8 | 4.4 | 5.9 | 0.4 | 4.8 | 5.9 | 0.4 |
 Sex |  |  | 0.4 |  |  | 0.2 |  |  | 0.3 |
  Female | 8 (50.0%) | 39 (46.4%) |  | 6 (75.0%) | 41 (44.6%) |  | 8 (66.7%) | 39 (44.3%) |  |
  Male | 8 (50.5%) | 37 (44.0%) |  | 1 (12.5%) | 44 (47.8%) |  | 4 (33.3%) | 41 (46.6%) |  |
  Joey | 0 (0.0%) | 8 (9.5%) |  | 1 (12.5%) | 7 (7.6%) |  | 0 (0.0%) | 8 (9.1%) |  |
 Health status classification and cause of deatha |  |  | 0.002 |  |  | 0.07 |  |  | 0.003 |
  Alive | 6 (37.5%) | 60 (71.4%) |  | 4 (50.0%) | 62 (67.4%) |  | 5 (41.7%) | 61 (69.3%) |  |
  Leukemia-lymphoma and other cancer | 6 (37.5%) | 6 (7.1%) |  | 3 (37.5%) | 9 (9.8%) |  | 5 (41.7%) | 7 (8.0%) |  |
  Other | 4 (25.0%) | 18 (21.4%) |  | 1 (12.5%) | 21 (22.8%) |  | 2 (16.7%) | 20 (22.7%) |  |
 Location |  |  |  < 0.0001 |  |  | 0.0003 |  |  |  < 0.0001 |
  Australian zoos | 13 (81.3%) | 14 (16.7%) |  | 7 (87.5%) | 20 (21.7%) |  | 10 (83.3%) | 17 (19.3%) |  |
  US zoos | 3 (18.8%) | 49 (58.3%) |  | 1 (12.5%) | 51 (55.4%) |  | 2 (16.7%) | 50 (56.8%) |  |
  Wild | 0 (0.0%) | 21 (25.0%) |  | 0 (0.0%) | 21 (22.8%) |  | 0 (0.0%) | 21 (23.9%) |  |
Characteristic | Positive (N = 18) | Negative (N = 82) | p value | Positive (N = 11) | Negative (N = 89) | p value | Positive (N = 10) | Negative (N = 90) | p value |
|---|---|---|---|---|---|---|---|---|---|
DNA | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Age (years) | 4.9 | 6 | 0.3 | 5.7 | 5.8 | 1 | 4.5 | 5.9 | 0.4 |
 Sex |  |  | 0.9 |  |  | 0.4 |  |  | 0.08 |
  Female | 9 (50.0%) | 38 (46.3%) |  | 7 (63.6%) | 40 (44.9%) |  | 8 (80.0%) | 39 (43.3%) |  |
  Male | 8 (44.4%) | 37 (45.1%) |  | 4 (36.4%) | 41 (46.1%) |  | 2 (20.0%) | 43 (47.8%) |  |
  Joey | 1 (5.6%) | 7 (8.5%) |  | 0 (0.0%) | 8 (9.0%) |  | 0 (0.0%) | 8 (8.9%) |  |
 Health status classification and cause of deatha |  |  | 0.009 |  |  | 0.3 |  |  | 0.0005 |
  Alive | 9 (50.0%) | 57 (69.5%) |  | 6 (54.6%) | 60 (67.4%) |  | 4 (40.0%) | 62 (68.9%) |  |
  Leukemia-lymphoma and other cancer | 6 (33.3%) | 6 (7.3%) |  | 3 (27.3%) | 9 (10.1%) |  | 5 (50.0%) | 7 (7.8%) |  |
  Other | 3 (16.7%) | 19 (23.2%) |  | 2 (18.2%) | 20 (22.5%) |  | 1 (10.0%) | 21 (23.3%) |  |
 Location |  |  |  < 0.0001 |  |  |  < 0.0001 |  |  | 0.0003 |
  Australian zoos | 15 (83.3%) | 12 (14.6%) |  | 11 (100.0%) | 16 (18.0%) |  | 8 (80.0%) | 19 (21.1%) |  |
  US zoos | 3 (16.7%) | 49 (59.8%) |  | 0 (0.0%) | 52 (58.4%) |  | 2 (20.0%) | 50 (55.6%) |  |
  St. Bees Island (wild) | 0 (0.0%) | 21 (25.6%) |  | 0 (0.0%) | 21 (23.6%) |  | 0 (0.0%) | 21 (23.3%) |  |