Table 4.
Variation of the predictive values with reference to sex estimation, in accordance with the age groups
| Up to 30 years | >30 years | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sens. (M) |
Spec. (F) |
PPV (M) |
PNV (F) |
Accuracy | Sens. (M) |
Spec. (F) |
PPV (M) |
PNV (F) |
Accuracy | ||
| Frontal sinus height | −5.9% | −0.4% | 3.2% | −10.1% | −2.4% | 20.9% | 0.6% | −6.7% | 27.5% | 5.7% | |
| Frontal sinus width | 3.5% | −9.6% | 2.0% | −8.0% | −2.3% | −12.5% | 15.7% | −8.0% | 12.0% | 5.3% | |
| Frontal sinus diameter | −0.8% | −9.9% | −1.1% | −9.4% | −4.7% | 2.7% | 16.2% | 4.1% | 14.8% | 11.0% | |
| R maxillary sinus height | 1.2% | 3.0% | 7.0% | −3.3% | 2.0% | −4.4% | −4.8% | −18.0% | 7.0% | −4.7% | |
| R maxillary sinus width | 2.7% | 6.2% | 9.8% | −1.5% | 4.0% | −9.5% | −10.1% | −23.8% | 3.4% | −9.3% | |
| R maxillary sinus diameter | 0.7% | −0.6% | 3.8% | −4.7% | −0.6% | −2.4% | 0.9% | −11.4% | 9.3% | 1.3% | |
| L maxillary sinus height | 3.5% | 3.7% | 8.9% | −2.1% | 3.3% | −12.5% | −6.1% | −23.2% | 4.3% | −7.7% | |
| L maxillary sinus width | 4.4% | 3.4% | 9.2% | −2.2% | 2.7% | −15.6% | −5.6% | −26.7% | 4.3% | −6.3% | |
| L maxillary sinus diameter | 4.1% | 1.9% | 6.4% | −2.2% | 1.9% | −14.5% | −3.1% | −21.3% | 4.2% | −4.3% | |
| Maxillary sinus height (x--[R;L]) | 2.1% | 6.2% | 9.8% | −2.0% | 3.6% | −7.5% | −10.1% | −23.1% | 4.6% | −8.3% | |
| Maxillary sinus width (x--[R;L]) | 4.1% | 10.6% | 13.9% | 0.5% | 6.4% | −14.5% | −17.4% | −31.0% | −1.1% | −15.0% | |
| Maxillary sinus diameter (x--[R;L]) | 1.5% | 0.6% | 5.0% | −4.2% | 0.0% | −5.5% | −1.1% | −15.0% | 8.3% | 0.0% | |
| Width between both maxillary sinuses | 2.9% | 6.6% | 9.3% | −0.5% | 4.6% | −10.4% | −10.8% | −24.0% | 1.0% | −10.7% | |
CI, Confidence interval; F, Female; FS, Frontal sinus; L, Left; LR, Likelihood;M, Male; MS, Maxillary sinus; NPV, Negative predictive value; PPV, Positive predictive value; R, Right; Sens., Sensibility; spec., Specificity.
x-- = arithmetic mean between left and right measurements. Bold numbers represent reduced values of accuracy measures.