| Transmission electron microscopy |
Without RS |
1 or 2 RS |
>3 RS |
P |
| Cilia (absence) |
0 |
3 |
7 |
0.008 |
| Ultrastructure (compound cilia) |
2 |
3 |
1 |
0.178 |
| Normal ciliary orientation |
5 |
6 |
2 |
0.06 |
| Squamous metaplasia |
0 |
2 |
3 |
0.388 |
| Microvilli |
5 |
11 |
5 |
0.343 |
| Goblet cells (decreased/absence) |
1 |
7 |
6 |
0.598 |
| Cytoplasmatic mitochondria (decreased /absence) |
1 |
5 |
7 |
0.159 |
| Cytoplasmatic vacuolization |
3 |
5 |
5 |
0.885 |
