Table II.
Characteristics of test values in patients
| Parameter | Aseptic patients | Infected patients | |
|---|---|---|---|
| First-stage surgery | Second-stage surgery | ||
| Mean SF factors, pg/ml (sem; patients, n) | |||
| IL-16 | 983 (156; n = 6) | 4972 (187; n = 27) | 3107 (433; n = 11) |
| IL-18 | 174 (38; n = 6) | 1056 (116; n = 27) | 404 (65; n = 11) |
| CRELD2 | 7.3 (0.6; n = 3) | 18.7 (1.7; n = 17) | 12.2 (0.6; n = 10) |
| E-selection | 5440 (2563; n = 3) | 13 258 (1199; n = 15) | 10 257 (511; n = 9) |
| Lipocalin-2 | 15 124 (3044; n = 3) | 20 623 (1555; n = 15) | 18 925 (1658; n = 9) |
| Blood specimens, mean (sem; patients, n) | |||
| Plasma CRP, pg/ml | 2.0 (0.5; n = 9) | 52.4 (9.4; n = 39) | 15.4 (4.8; n = 29) |
| Leucocyte number, × 103 µl | 6.2 (0.3; n = 9) | 8.0 (0.6; n = 39) | 7.2 (0.4; n = 30) |
| Neutrophil percentage, % | 68.6 (1.8; n = 3) | 68.1 (2.2; n = 29) | 63.5 (2.1; n = 23) |
| Neutrophil number, × 103 µl | 4.7 (0.4; n = 3) | 6.1 (0.8; n = 26) | 4.8 (0.4; n = 23) |
| SF specimen, traditional factors, mean (sem; patients, n) | |||
| Leucocyte number, /µl | 571(287; n = 6) | 19 038 (3420; n = 29) | 3968 (2545; n = 18) |
| Neutrophil percentage, % | 34.5 (12.6; n = 6) | 78.2 (4.5; n = 29) | 39.5 (7.6; n = 18) |
| Neutrophil number, /µl | 300 (203; n = 6) | 18 144 (3297; n = 26) | 3498 (2365; n = 18) |
| Lymphocyte number, /µl | 191 (86; n = 6) | 891 (169; n = 26) | 136 (32; n = 18) |
| Monocyte number, /µl | 65 (36; n = 6) | 1663 (474; n = 24) | 346 (182; n = 16) |
SF, synovial fluid; sem, standard error of mean; IL, interleukin; CRELD2, cysteine-rich with EGF-like domains 2; CRP, C-reactive protein