Table 5 DESA-6 Diagnostic Accuracy Measures of the DESA-6 to the EDE-17
From: Initial validation of a screening tool for disordered eating in adolescent athletes
Phase II | Total Sample (n = 82) | Males (n = 23) | Females (n = 59) | |
Result (95% CI) | Result (95% CI) | Result (95% CI) | ||
DESA-6 vs. EDE-17 | Sensitivity | 92% (74.0%, 99.0%) | 100% (29.24, 100%) | 90.9% (70.8, 98.9%) |
Specificity | 85.96% (74.2, 93.3%) | 85.0% (62.1, 96.8%) | 86.5% (71.2, 95.5%) | |
Positive Likelihood Ratio | 6.56 (3.65, 14.9) | 6.7 (2.35, 18.92) | 6.7 (2.95, 15.36) | |
Negative Likelihood Ratio | 0.09 (0.02, 0.35) | 0 (0, 0)b | 0.11 (0.03,0.40) | |
Disease Prevalencea (EDE-17) | a30.5% (20.8%, 41.6%) | a13.0% (2.78, 33.59%) | a37.3% (25.04%, 50.%) | |
Positive Predictive Value | 74.2% (60.0%, 84.7%) | 50.0% (26.05, 73.95%) | 80.0% (63.66, 90.13%) | |
Negative Predictive Value | 96.1% (86.6%, 98.9%) | 100% (N/a)b | 94.1% (80.9, 98.4%) | |
Accuracy | 87.8% (78.7%, 94.0%) | 87.0% (66.4, 97.2%) | 88.1% (77.1, 95.1%) | |
Phase I | Total Sample (n = 308) | Males (n = 148) | Females (n = 160) | |
Result (95% CI) | Result (95% CI) | Result (95% CI) | ||
DESA-6 vs. EAT-26 | Sensitivity | 62.50% (50.30, 73.64%) | 41.67% (22.11, 63.36%) | 72.92% (58.15, 84.72%) |
Specificity | 87.71% (82.83, 91.61%) | 92.74% (86.67, 96.63%) | 82.14% (73.78, 88.74%) | |
Positive Likelihood Ratio | 5.09 (3.46, 7.47) | 5.74 (2.61, 12.62) | 4.08 (2.65, 6.30) | |
Negative Likelihood Ratio | 0.43 (0.32, 0.58) | 0.63 (0.45, 0.89) | 0.33 (0.21, 0.53) | |
Disease Prevalence (EDE-17) | 23.38% (18.76, 28.51%) | 16.22% (10.67, 23.16%) | 30.00% (23.02, 37.74%) | |
Positive Predictive Value | 60.81% (51.36, 69.52%) | 52.63% (33.58, 70.95%) | 63.64% (53.16, 72.96%) | |
Negative Predictive Value | 88.46% (85.00, 91.20%) | 89.15% (85.37, 92.04%) | 87.62% (81.53, 91.90%) | |
Accuracy | 81.82% (77.05, 85.96%) | 84.46% (77.60, 89.89%) | 79.38% (72.27, 85.36%) | |