Table 2. PSGAG Concentrations in cartilage after intramuscular injection of 125 mg to human patients (μg/g). Adapted from (Muller et al., 1983).

Time	N	Surface layer	Middle layer	Deep layer
12 hours	6	2.52 + 1.53	2.18 + 1.43	1.71 + 1.04
24 hours	7	4.43 + 2.55	2.99 + 1.09	1.98 + 0.79
48 hours	6	4.90 + 4.13	2.13 + 0.96	1.61 + 0.57
72 hours	4	2.33 + 0.79	2.08 + 0.77	1.83 + 0.74
96 hours	2	1.71 + 0.12	1.04 + 0.10	0.99 + 0.15