Table I.

Qualitative PCR patient information

Patient	Age (yrs)	Gender	BMI (kg/m2)	Duration of disease	Leukocyte count (cells/ml)	Platelet count (cells/ml)	The reference value of ESR (mm/1 hr)	CRP (mg/l)	Kellgren and Lawrence scores
Normal	37	Male	23.1	4 mths	6.85 × 106	2.15 × 108	4	5	0
Normal	43	Male	26.8	3 days	6.31 × 106	1.79 × 108	12	5	0
Normal	26	Male	24.6	1 mth	6.94 × 106	2.29 × 108	1	5	0
Normal	35	Male	25.4	2 mths	7.64 × 106	1.99 × 108	2	5	0
Normal	50	Female	23.4	7 days	8.33 × 106	2.51 × 108	5	7	0
Normal	31	Male	29.6	12 days	4.92 × 106	1.66 × 108	5	5	0
OA	81	Male	24	2 yrs	5.65 × 106	1.56 × 108	6	5	4
OA	60	Female	25.3	10 yrs	6.68 × 106	2.95 × 108	42	5	4
OA	74	Female	25	2 yrs	4.42 × 106	2.24 × 108	19	5	4
OA	65	Female	24	6 mths	8.03 × 106	3.11 × 108	24	5	4
OA	67	Male	19.6	10 yrs	3.94 × 106	1.90 × 108	8	5	4
OA	66	Male	24.7	2 yrs	4.03 × 106	1.56 × 108	6	5	4

BMI, body mass index; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; OA, osteoarthritis; Kellgren and Lawrence scores, a grading method of OA severity. Generally, the grade from slight to severity is divided into 0, 1, 2, 3 and 4.