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Table 5 Clinical utility ratings for ICD-11 categories as compared to closest ICD-10 categories

From: The classification of feeding and eating disorders in the ICD-11: results of a field study comparing proposed ICD-11 guidelines with existing ICD-10 guidelines

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%)
  1. 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