Introduction
Grading Systems
Ljubljana System | Who System |
---|---|
Simple hyperplasia | Benign keratoses |
Abnormal hyperplasia | Mild dysplasia |
Atypical hyperplasia | Moderate dysplasia |
Several dysplasia |
Grading Reliability
Authors | Grading system | % agreement or Kappa inter-rater | % agreement or Kappa intra-rater |
---|---|---|---|
McLaren et al. (2000) [8] | VC 5 grade WHO 2 grades mild versus severe dysplasia | K 0.32 | |
K 0.52 | |||
K 0.52 | |||
Kujan et al. (2006) [9] | OC 2 grades 5 grade WHO | K 0.50 | |
Ks 0.22, Kw 0.63 | |||
Karabulut et al. (1995) [10] | OC 5 grade WHO | K 0.27–0.45 (49–59%) | |
Abbey et al. (1995) [11] | OC 4 grade WHO dysplasia versus none | 50.5%, | 50.8% |
81% | 80.3% | ||
Fischer et al. 2004 [12] | OC 5 grade WHO attending pathologist versus committee | K 0.59 | |
Brothwell et al. 2003 [13] | OC 5 grade WHO dysplasia versus none modal score standard | Kw 0.74 | Ks 0.22–0.78 |
K 0.51 |
Author | Location | All lesions dysp/nondysp | All dysplasia | Grade of dysplasiaa
| FU (years) | ||||
---|---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | |||||
Hellquist et al. (1999) [14] | Larynx | ||||||||
n = 899 | 11.2 | 10.5 | 0.7 | – | 1 | 9.5 | – | 1.5–12 | |
Isenberg et al. (2008) [15] | Larynx | – | – | – | – | – | – | – | |
n = 208 | 3.8 | 33 | – | – | – | – | – | – | |
n = 2188b
| 3.7 | 4 | 10 | 18 | |||||
Ricci et al. (2003) [16] | Larynx | ||||||||
n = 207 | – | 17 | – | – | – | – | – | 7–16 | |
Jeannon et al. (2004) [17] | Larynx | 24 | |||||||
n = 114 | – | – | – | – | – | – | |||
Gale et al. (2000) [18] | Larynx | 0.9 | – | – | – | 11 | |||
Hsue et al. (2007) [19] | Oral | 3.9 | 4.8 | 3 | – | – | – | – | 3.5 |
n = 1,458 | |||||||||
Holmstrup et al. (2006) [20] | Oral | 12 | 12 | 4 | 4 | 8 | 17 | 20 | 6.8 |
n = 101 | |||||||||
Silverman et al. (1984) [1] | Oral | 17 | 36 | 7.2 | |||||
n = 257 | |||||||||
Schepman et al. (1998) [21] | Oral | ||||||||
n = 166 | 2.9 annual | 2.4 | |||||||
Hogewind et al. (1989) [22] | Oral | ||||||||
n = 46 | 6.5 | 2.2 | 5 |