Table 2—

Characteristics of the IC-DF and NDF/CBO scores

ScoreICDF 1ICDF 2NDF/CBO 1NDF/CBO 2NDF/CBO 3NDF/CBO 4
Validity
    Correlation: Spearman rDNS0.670.640.640.670.660.52
DNE0.990.990.980.870.920.75
HRV−0.44−0.46−0.47−0.54−0.50−0.35
NCS0.610.600.600.670.610.32
SAC0.750.740.750.830.820.62
    ANOVAF1311341141189729
    Independent t testDF − DC11111011106
DF − control18171530136
DC − control2.52.42.4210
Predictive value
    DNEPositive646364867882
Negative1001001009710084
    SACPositive7572751009187
Negative646364666855
Manageability
    ReproducibilityIntraobserver0.690.620.66
Interobserver0.690.600.71
    Performance time5 min30 s60 s30 s
  • P values: Spearman correlation, all P < 0.01, except NCS for NDF/CBO 4, P < 0.05; ANOVA, all P < 0.001; independent t test, DF − DC and DF − control, all P < 0.001; DC − control for IC-DF 1 + 2 and NDF/CBO 1, P < 0.05, NDF/CBO 2–4, NS; reproducibility, all P < 0.01, except NDF/CBO 3, P < 0.001.