- The average number of nucleolar organizer region/cell among different age groups.
| Average number of NOR/cell | >20 years | 20-35 years | 36-51 years | 52-82 years | Total |
|---|---|---|---|---|---|
| ≤2.0 NOR/cell | 0 (0.0) | 10 (33.3) | 15 (50.0) | 5 (16.7) | 30 (100) |
| 2.1-3.0 NOR/cell | 5 (9.1) | 15 (27.3) | 30 (54.5) | 5 (9.1) | 55 (100) |
| 3.1-6.6 NOR/cell | 5 (20.0) | 0 (100) | 10 (40.0) | 10 (40.0) | 25 (100) |
| Total | 10 (9.1) | 25 (22.7) | 55 (50.0) | 20 (18.2) | 110 (100) |
Values are presented as numbers and percentages (%). Pearson’s Chi-square (p>0.005). NOR: nucleolar organizer region