TABLE 3.
The number of normal (N), para‐tumour (P) and tumour tissues (T) in influencing factors in groups categorised with RIN or HE scores
| RIN scores | HE scores | |||||||
|---|---|---|---|---|---|---|---|---|
| Influence factors | Total n = 80 | < 6 n = 33 | 6–7 n = 14 | ≥7 n = 18 | p Value | < 90 n = 16 | ≥90 n = 53 | p Value |
| Tissue locations | ||||||||
| N | 34 | 20 | 5 | 3 | <.01 | 7 | 22 | .93 |
| P | 12 | 6 | 1 | 3 | 3 | 8 | ||
| T | 34 | 7 | 8 | 12 | 6 | 23 | ||
| Sampling methods | ||||||||
| Tracheoscopy | 6 | / | / | / | / | / | / | / |
| Surgery | 74 | 33 | 14 | 18 | 16 | 53 | ||
| Preservation conditions in operation room | ||||||||
| Dry | 43 | 15 | 8 | 10 | .73 | 8 | 29 | 1.00 |
| Wet | 37 | 18 | 6 | 8 | 8 | 24 | ||
| Transportation and storage | ||||||||
| Dry | 26 | 3 | 7 | 6 | <.01 | 0 | 19 | <.01 |
| Wet | 54 | 30 | 7 | 12 | 16 | 34 | ||
| Delivery hours of samples | ||||||||
| ≤0.5 h | 12 | 0 | 2 | 0 | .02 | 0 | 6 | .14 |
| 0.5—1.0 h | 29 | 14 | 5 | 10 | 8 | 21 | ||
| 1.0—1.5 h | 6 | 3 | 3 | 0 | 3 | 2 | ||
| 1.5—2.0 h | 26 | 15 | 4 | 4 | 5 | 19 | ||
| >2.0 h | 7 | 1 | 0 | 4 | 0 | 5 | ||
| Sample processing method | ||||||||
| Liquid nitrogen (wet) | 61 | 30 | 8 | 13 | .04 | 16 | 35 | .02 |
| Liquid nitrogen (dry) | 6 | 1 | 2 | 3 | 0 | 5 | ||
| OCT | 13 | 2 | 4 | 3 | 0 | 13 | ||
| Storage days at ‐80oC | ||||||||
| ≤7 days | 40 | 11 | 8 | 9 | .26 | 3 | 28 | .02 |
| >7 days | 40 | 22 | 6 | 9 | 13 | 25 | ||
OCT: optimal cutting temperature compound.