Sample source | Number of samples analysed by RT-qPCR | RT-qPCR positive result (%) | Threshold cycle for positive samples—median; range (relative copy number—median; range) |
---|---|---|---|
Cats with FIP | |||
 Tissue | 260 | 235 (90.4) | 26.2; 12.4 to 39.7 (1.1 × 104; 1.2 × 108 to 1.2) |
 Fluid | 51 | 40 (78.4) | 31.2; 19.4 to 38.5 (373; 1.1 × 106 to 2.7) |
  Body cavity fluid | 35 | 32 (91.4) | 30.9; 19.4 to 38.5 (457; 1.2 × 108 to 1.2) |
   Abdominal | 23 | 21 (91.3) | 30.8; 22.2 to 38.5 (488; 1.6 × 105 to 2.7) |
   Pleural | 9 | 9 (100.0) | 29.6; 19.4 to 35.0 (1.1 × 10−3 1.2 × 108 to 29) |
   Pericardial | 2 | 1 (50.0) | 38.5 (2.7) |
   Unrecorded | 1 | 1 (100.0) | 37.0 (7.5) |
  CSF | 14a | 7 (50.0) | 34.8; 27.9 to 36.5 (33; 3.4 × 103 to 11) |
  Aqueous humour | 2 | 1 (50.0) | 33.7 (6.9) |
 Faeces | 48 | 31 (64.6) | 30.9; 15.8 to 39.7 (457; 1.2 × 107 to 1.2) |
  Whole faeces | 42 | 28 (66.7) | 31.0; 15.8 to 37.7 (427; 1.2 × 107 to 4.7) |
  Faecal swab | 6 | 3 (50.0) | 30.5; 30.5 to 39.7 (598; 598 to 1.2) |
Cats without FIP | |||
 Tissue | 258 | 20 (7.8) | 36.2; 26.4 to 38.5 (12.9; 9.4 × 103 to 2.7) |
 Fluid | 47 | 1 (2.1) | 36.4 (11) |
  Body cavity | 28 | 1 (3.6) | 36.4 (11) |
   Abdominal | 13 | 1 (7.8) | 36.4 (11) |
   Pleural | 12 | 0 |  |
   Pericardial | 3 | 0 |  |
  CSF | 19 | 0 |  |
 Faeces | 35 | 7 (20.0) |  |
  Whole faeces | 33 | 7 (20.0) | 33.6; 25.7 to 38.6 (74; 1.5 × 104 to 2.6) |
  Faecal swab | 2 | 0 | 33.6; 25.7 to 38.6 (74; 1.5 × 104 to 2.6) |