Table 4.
Sensitivity, specificity, positive and negative predictive value of body fat indicators, alone and in combination, to predict cardiovascular risk according to the Framingham risk score among rotating shift workers. Inconfidentes, Brazil, 2011 (n = 678)*
| BMI | 82.4 (66.5-91.7) | 36.7 (33.0-40.4) | 6.4 (4.5-9.1) | 97.5 (94.7-98.9) |
| WC | 23.5 (12.4-40.0) | 85.1 (82.1-87.6) | 7.7 (3.9-14.5) | 95.5 (93.5-96.9) |
| WHtR | 94.1 (80.9-98.4) | 29.8 (26.4-33.5) | 6.6 (4.7-9.2) | 99.0 (96.3-99.7) |
| NC | 61.8 (45.0-76.1) | 52.6 (48.7-56.4) | 6.4 (4.3-9.6) | 96.3 (93.8-97.8) |
| BMI and WC | 26.5 (14.6-43.1) | 84.8 (81.8-87.4) | 8.4 (4.5-15.2) | 95.6 (93.6-97.0) |
| BMI and WHtR | 82.4 (66.5-91.7) | 40.1 (36.4-43.9) | 6.8 (4.7-9.6) | 97.7 (95.1-99.0) |
| BMI and NC | 58.8 (42.2-73.6) | 57.1 (53.3-60.9) | 6.8 (4.4-10.2) | 96.3 (93.9-97.8) |
| WC and WHtR | 26.5 (14.6-43.1) | 84.8 (81.8-87.4) | 8.4 (4.5-15.2) | 95.6 (93.6-97.0) |
| WC and NC | 26.5 (14.6-43.1) | 85.7 (82.8-88.2) | 8.9 (4.8-16.1) | 95.7 (93.7-97.1) |
| NC and WHtR | 61.8 (45.0-76.1) | 56.2 (52.3-60.0) | 6.9 (4.6-10.4) | 96.5 (94.2-98.0) |
BMI: body mass index (kg/m2); MS: metabolic syndrome; NC: neck circumference; NPV: negative predictive value; PPV: positive predictive value; Sen: sensitivity; Spc: specificity; WC: waist circumference (cm); WHtR: waist-to-height ratio.
*
Cut-off points: BMI e 25 kg/m2; WC e 102 cm; WHtR e 0.5; NC e 39.5 cm.