. 2019 May 23;90:1721. doi: 10.4102/jsava.v90i0.1721

TABLE 2.

Summary of synovial fluid cytology, clinical chemistry and growth factor concentrations for control and osteoarthritis group (mean ±SD).

Day	NCC (cells/μL)	Neutrophils (%)	TP (g/L)	SAA (mg/L)	PDGF-BB (pg/mL)	TGF-β1 (pg/mL)
Day 0
Control	111.60 ± 39.89	1.60 ± 2.45	15.48 ± 6.31	0.00 ± 0.00	-	-
OA	87.40 ± 53.64	5.40 ± 8.50	14.22 ± 2.56	0.00 ± 0.00	-	-
Day 1
Control	22940.00 ± 11103.28^^,^**	83.40 ± 2.70^^,^***	46.64 ± 11.11^*	0.00 ± 0.00	390.47 ± 82.15^^,^*	4021.27 ± 783.00^^,^,^***
OA	20464.00 ± 12055.93^^,^**	71.20 ± 5.40^^,^***	39.06 ± 7.10^*	0.00 ± 0.00	302.27 ± 47.44^**	2792.48 ± 615.46^^,^,^***
Day 2
Control	13212.00 ± 3413.46^*	64.00 ± 4.00^^,^*	30.18 ± 11.55^*	0.00 ± 0.00	-	-
OA	7372.00 ± 6122.10	38.80 ± 14.32^^,^*	22.46 ± 5.90^*	0.00 ± 0.00	-	-
Day 5
Control	3654.00 ± 2037.59^***	14.80 ± 11.86^****	20.56 ± 8.02	0.95 ± 2.14	316.42 ± 45.69^***	851.73 ± 351.82^*,^**
OA	1660.40 ± 1250.72^***	8.20 ± 15.54^****	16.54 ± 6.09	0.00 ± 0.00	318.06 ± 37.82	678.35 ± 289.58^*,^**
Day 21
Control	207.60 ± 49.90	2.60 ± 1.67	17.14 ± 6.61	0.00 ± 0.00	-	-
OA	213.00 ± 123.80	5.20 ± 6.97	12.18 ± 3.18	0.00 ± 0.00	-	-
Day 56
Control	224.80 ± 71.94	10.80 ± 11.16	14.62 ± 4.51	0.00 ± 0.00	-	-
OA	95.60 ± 71.40	4.20 ± 6.79	13.78 ± 3.26	0.00 ± 0.00	-	-

OA, Osteoarthritis; NCC, nucleated cell count; TP, total protein; SAA, Serum amyloid A; PDGF, platelet-derived growth factor; TGF-b1, transforming growth factor-beta 1.

, Statistically significant differences from baseline, within a given group (p < 0.05).

^**

, Statistically significant differences between groups on a specific day (p < 0.05).

^***

, Statistically significant correlation between NCC (cells/μL) and PDGF-BB/TGF-b1 (p < 0.05).

^****

, Statistically significant correlation between Neutrophils (%) and PDGF-BB/TGF-b1 (p < 0.05).