Table 4.
Comparison of baseline characteristics between IPFP-ASCs and SC-ASCs.
| Infrapatellar fat pad (N = 5) n (%) |
Subcutaneous (N = 5) n (%) |
p value | |
|---|---|---|---|
| Gender | 1.000† | ||
| Male | — | 1 (20.00) | |
| Female | 5 (100.00) | 4 (80.00) | |
| Age (yrs)∗ | 65.80 ± 9.09 | 30.40 ± 13.16 | 0.001 |
| BMI (kg/m2)∗ | 23.75 ± 3.23 | 23.52 ± 7.82 | 0.953 |
| Weight of fat collection (g)∗ | 12.12 ± 2.57 | 52.46 ± 21.62 | 0.014 |
| Number of ASCs isolation (P0) (×106 cells)∗ | 3.94 ± 3.73 | 3.79 ± 1.75 | 0.602‡ |
| Number of ASCs (P0) per weight (×104 cells/g)∗ | 33.39 ± 30.54 | 8.94 ± 7.34 | 0.047 ‡ |
| Incubation time to P2 (days)∗ | 18.40 ± 5.50 | 19.80 ± 8.04 | 0.833‡ |
| ASCs markers | |||
| Positive markers | |||
| CD 73 (%)∗ | 99.69 ± 0.26 | 99.60 ± 0.26 | 0.591 |
| CD 90 (%)∗ | 91.43 ± 10.79 | 93.85 ± 6.71 | 0.917‡ |
| CD 105 (%)∗ | 90.63 ± 9.49 | 87.85 ± 19.79 | 0.917‡ |
| Negative markers | |||
| CD 34 (%)∗ | 1.24 ± 1.54 | 1.46 ± 2.22 | 0.917‡ |
| CD 45 (%)∗ | 0.17 ± 0.08 | 0.16 ± 0.12 | 0.882 |
| HLA-DR (%)∗ | 0.55 ± 0.69 | 1.08 ± 2.01 | 0.834‡ |
| Colony-forming units (/100 cells)∗ | 3.13 ± 1.71 | 3.99 ± 1.52 | 0.428 |
| Size of CFU (mm2)∗ | 9.91 ± 4.72 | 12.99 ± 3.26 | 0.263 |
∗Mean ± SD. †Fisher's exact test. ‡Mann-Whitney U test.