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| Microarray | ||
| Non-OA (n = 8) | OA (n = 12) | |
| Mean age ± SD (years) | 80 ± 7 | 64 ± 7 |
| Male: Female | 1: 7 | 1: 11 |
| Quality of RNA | ||
| Mean RIN ± SD | 7.3 ± 0.8 | 7.4 ± 0.5 |
| Mean A260/280 ± SD | 1.9 ± 0.04 | 1.9 ± 0.1 |
| qRT-PCR | ||
| Non-OA (n = 6) | OA (n = 6) | |
| Mean age ± SD (years) | 85 ± 7 | 71 ± 11 |
| Male: Female | 1: 5 | 1: 5 |
OA, osteoarthritis; RIN, RNA integrity number; qRT-PCR, Quantitative reverse transcriptase polymerase chain reaction; SD, Standard deviation.
