Table 2.
Staining adequacy of the tissue sections from the old tissue blocks, long term formalin fixed tissues and freshly fixed tissues in H&E, Mallory’s and Van Gieson’s stain
| Staining adequacy | OTB | LFT | FFT | ||||||
|---|---|---|---|---|---|---|---|---|---|
| H&E, n (%) | Mallory, n (%) | VG, n (%) | H&E, n (%) | Mallory, n (%) | VG, n (%) | H&E, n (%) | Mallory, n (%) | VG, n (%) | |
| Very good | 13 (25.50) | 5 (9.80) | 2 (3.90) | 1 (2.00) | 0 (0.00) | 0 (0.00) | 32 (62.70) | 32 (62.70) | 21 (41.20) |
| Good | 35 (68.60) | 36 (70.60) | 31 (60.80) | 12 (23.50) | 15 (29.40) | 7 (13.7) | 19 (37.30) | 18 (35.30) | 28 (54.90) |
| Satisfactory | 2 (3.90) | 8 (15.70) | 14 (27.50) | 29 (56.90) | 34 (66.70) | 30 (58.8) | 0 (0.00) | 0 (0.00) | 2 (3.90) |
| Inadequate | 1 (2.00) | 2 (3.90) | 4 (7.80) | 9 (17.60) | 2 (3.90) | 14 (27.5) | 0 (0.00) | 1 (2.00) | 0 (0.00) |
| Total | 51 (100) | 51 (100) | 51 (100) | 51 (100) | 51 (100) | 51 (100) | 51 (100) | 51 (100) | 51 (100) |
| Chi-square test between three groups | 21.11 | 14.05 | 11.65 | ||||||
| P | 0.002 S | 0.003 S | 0.07 NS | ||||||
S: Significant, NS Not significant, VG: Van Gieson’s, OTB: Old tissue blocks, LFT: Long term fixed tissues, FFT: Freshly fixed tissues