From: Serum C-reactive protein and procalcitonin values in acute Q fever, scrub typhus, and murine typhus
 | Treatment to defervescence ≤3 days | Treatment to defervescence > 3 days | p | |
---|---|---|---|---|
CRP (mg/L) | ||||
 Acute phase (Mean ± SD) |  | 72.2 ± 58.2 | 102.7 ± 77.1 | 0.041* |
> 25 | 75.9% (85/112) | 84.8% (28/33) | 0.276 | |
> 50 | 61.6% (69/112) | 75.8% (25/33) | 0.135 | |
> 75 | 40.2% (45/112) | 51.5% (17/33) | 0.247 | |
> 100 | 26.8% (30/112) | 45.5% (15/33) | 0.042* | |
> 150 | 8.0% (9/112) | 21.2% (7/33) | 0.053 | |
> 200 | 2.7% (3/112) | 9.1% (3/33) | 0.131 | |
 Convalescent phaseb (Mean ± SD) |  | 3.6 ± 13.1 | 19.1 ± 37.4 | 0.049* |
> 25 | 3.2% (2/62) | 15.4% (4/26) | 0.060 | |
> 50 | 1.6% (1/62) | 15.4% (4/26) | 0.025* | |
> 75 | 1.6% (1/62) | 7.7% (2/26) | 0.207 | |
> 100 | 0% (0/62) | 3.8% (1/26) | 0.295 | |
PCT (ng/mL) | ||||
 Acute phase (Mean ± SD) |  | 0.98 ± 1.40 | 1.39 ± 1.56 | 0.167 |
> 0.25 | 70.0% (70/100) | 77.4% (24/31) | 0.423 | |
> 0.5 | 47.0% (47/100) | 58.1% (18/31) | 0.282 | |
> 1.0 | 26.0% (26/100) | 48.4% (15/31) | 0.019* | |
> 1.5 | 20.0% (20/10) | 29.0% (9/31) | 0.290 | |
> 2.0 | 12.0% (12/100) | 19.4% (6/31) | 0.370 | |
> 4.0 | 5.0% (5/100) | 9.7% (3/31) | 0.393 | |
 Convalescent phaseb (Mean ± SD) |  | 0.08 ± 0.26 | 0.39 ± 1.09 | 0.166 |
> 0.25 | 6.9% (5/72) | 30.8% (8/26) | 0.005* | |
> 0.5 | 1.4% (1/72) | 19.2% (5/26) | 0.005* | |
> 1.0 | 1.4% (1/72) | 3.8% (1/26) | 0.462 | |
> 1.5 | 1.4% (1/72) | 3.8% (1/26) | 0.462 | |
> 2.0 | 1.4% (1/72) | 3.8% (1/26) | 0.462 |