Expression differences of YKL-39 and YKL-40 in late stage osteoarthritic compared with normal cartilage according to conventional PCR (cvPCR), quantitative online PCR (qPCR), and cDNA array analysis (array)
| Gene | cvPCR | qPCR | Array |
|---|---|---|---|
| YKL-39 | (↑) | ↑ (p<0.05). | ↑ (p<0.02) |
| YKL-40 | (↓) | ↓ (p<0.01) | ↓ (p<0.005) |