Table 5.
Clinical utility ratings for ICD-11 categories as compared to closest ICD-10 categories
| Diagnostic category | Not at all | Somewhat | Quite | Extremely | *Quite + Extremely | |
|---|---|---|---|---|---|---|
| Ease of use N (%) | ||||||
| ICD-11 AN | 2 (0.5%) | 62 (14.7%) | 223 (52.8%) | 135 (32.0%) | 358 (84.8%) | χ2 (3) = 10.17, p < 0.05 |
| ICD-10 AN | 12 (3.5%) | 56 (16.2%) | 170 (49.1%) | 108 (31.2%) | 278 (80.3%) | |
| ICD-11 BN | 6 (1.5%) | 50 (12.3%) | 188 (46.4%) | 161 (39.8%) | 349 (86.2%) | χ2 (3) = 47.25, p < 0.001 |
| ICD-10 BN | 12 (3.5%) | 82 (24.2%) | 182 (53.7%) | 63 (18.6%) | 245 (72.3%) | |
| ICD-11 BED | 2 (0.6%) | 32 (9.6%) | 184 (55.1%) | 116 (34.7%) | 300 (89.8%) | χ2 (3) = 68.24, p < 0.001 |
| ICD-10 Overeating | 13 (7.6%) | 47 (27.5%) | 94 (55.0%) | 17 (9.9%) | 111 (64.9%) | |
| ICD-11 ARFID | 8 (2.0%) | 51 (13.0%) | 219 (55.7%) | 115 (29.3%) | 334 (85.0%) | χ2 (3) = 21.63, p < 0.001 |
| ICD-10 Atypical AN | 5 (4.3%) | 53 (28.6%) | 83 (44.9%) | 44 (23.8%) | 127 (68.7%) | |
| Goodness of fit N (%) | ||||||
| ICD-11 AN | 0 (0%) | 53 (12.6%) | 238 (56.4%) | 131 (31.0%) | 369 (87.4%) | χ2 (3) = 14.07, p < 0.01 |
| ICD-10 AN | 6 (1.7%) | 66 (19.1%) | 177 (51.2%) | 97 (28.0%) | 274 (79.2%) | |
| ICD-11 BN | 6 (1.5%) | 44 (10.9%) | 197 (48.6%) | 158 (39.0%) | 355 (87.6%) | χ2 (3) = 69.35, p < 0.001 |
| ICD-10 BN | 1 (0.3%) | 95 (28.0%) | 190 (56.0%) | 53 (15.6%) | 243 (71.6%) | |
| ICD-11 BED | 2 (0.6%) | 97 (29.0%) | 175 (52.4%) | 118 (35.3%) | 293 (87.7%) | χ2 (3) = 33.28, p < 0.001 |
| ICD-10 Overeating | 9 (5.3%) | 52 (30.4%) | 90 (52.6%) | 20 (11.7%) | 110 (64.3%) | |
| ICD-11 ARFID | 3 (0.8%) | 44 (11.2%) | 241 (61.3%) | 105 (26.7%) | 346 (88.0%) | χ2 (3) = 22.13, p < 0.001 |
| ICD-10 Atypical AN | 2 (1.1%) | 49 (26.5%) | 94 (50.8%) | 40 (21.6%) | 134 (72.4%) | |
| Clarity and understandability N (%) | ||||||
| ICD-11 AN | 2 (0.4%) | 46 (10.3%) | 229 (51.2%) | 170 (38.0%) | 399 (89.2%) | χ2 (3) = 27.71, p < 0.001 |
| ICD-10 AN | 11 (2.8%) | 80 (20.2%) | 194 (49.0%) | 111 (28.0%) | 305 (77.0%) | |
| ICD-11 BN | 4 (1.0%) | 49 (11.7%) | 215 (51.4%) | 150 (35.9%) | 365 (87.3%) | χ2 (3) = 47.05, p < 0.001 |
| ICD-10 BN | 11 (2.9%) | 92 (24.5%) | 206 (54.9%) | 66 (17.6%) | 272 (72.5%) | |
| ICD-11 BED | 1 (0.3%) | 47 (11.7%) | 213 (53.8%) | 135 (34.1%) | 348 (87.9%) | χ2 (3) = 28.72, p < 0.001 |
| ICD-10 Overeating | 8 (4.2%) | 53 (28.0%) | 90 (47.6%) | 38 (20.1%) | 128 (67.7%) | |
| ICD-11 ARFID | 8 (1.8%) | 42 (9.6%) | 232 (52.8%) | 157 (35.8%) | 389 (88.6%) | χ2 (3) = 22.18, p < 0.001 |
| ICD-10 Atypical AN | 3 (1.4%) | 53 (25.6%) | 95 (45.9%) | 56 (27.1%) | 151 (73.0%) | |
AN anorexia nervosa, BN bulimia nervosa, BED binge eating disorder, Overeating overeating associated with other psychological disturbances, ARFID avoidant-restrictive food intake disorder. *Quite + Extremely column provided for comparison only; not included in the statistical analysis