Table 4.

Laboratory values in controlled infection group (n = 68)

Test result	Stage 1	Stage 2	p Value
Mean ESR (mm/hr)	61 (10–140)	37.2 (1–140)	.0001
Mean CRP (mg/L)	40.14 (1–267.8)	6.25 (0.2–46.3)	.0001
Mean synovial fluid WBC count (per μl)	57313 (1000–846,000)	1688 (75–16,000)	.0002
Mean % PMN’s	89.8 (50–100)	57.8 (7–95)	.0001