Table 4.
Number of observed points and particles
| Air | Epi/Endo | CT | Caplum | Total | |
| P (1 h) | 2250 ± 396 | 153 ± 46 | 63 ± 10 | 206 ± 51 | 2672 ± 478 |
| P (24 h) | 2058 ± 445 | 128 ± 12 | 54 ± 12 | 165 ± 19 | 2405 ± 470 |
| Normalized P (1 h) | 2251 ± 62 | 151 ± 30 | 63 ± 9 | 207 ± 43 | 2672 |
| Normalized P (24 h) | 2052 ± 42 | 131 ± 19 | 54 ± 4 | 168 ± 28 | 2405 |
| NO (1 h) | 343 ± 218 | 35 ± 40 | 33 ± 38 | 38 ± 20 | 449 ± 283 |
| NO (24 h) | 354 ± 193 | 15 ± 9 | 14 ± 15 | 44 ± 12 | 426 ± 218 |
| Normalized NO (1 h) | 348 ± 45 | 29 ± 27 | 28 ± 27 | 44 ± 20 | 449 |
| Normalized NO (24 h) | 348 ± 25 | 17 ± 13 | 11 ± 9 | 49 ± 20 | 426 |
Note. Air: Air space; Epi/Endo: Epithelial/endothelial cells; CT: Connective tissue; Caplum: Capillary lumen; NO: Number of observed particles; P: Number of points.