Table 2.
Prevalence, sensitivity (ST), specificity (SP) and positive predictive value (PPV) of cut-off points of waist circumference (WC) for prediction of two or more cardiovascular risk factors (hypertension, diabetes and/or dyslipidaemia) in males and females from Pelotas, southern Brazil, in 2010
| Males | Females | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| WC cut-off | Prevalence | WC cut-off | Prevalence | ||||||||
| point (cm) | n | % | ST (%) | SP (%) | PPV (%) | point (cm) | n | % | ST (%) | SP (%) | PPV (%) |
| ≥84 | 755 | 74·6 | 95·6 | 28·7 | 17·4 | ≥78 | 862 | 66·0 | 92·2 | 39·3 | 23·3 |
| ≥85 | 716 | 70·8 | 92·7 | 32·7 | 17·7 | ≥79 | 829 | 63·4 | 90·4 | 42·0 | 23·8 |
| ≥86 | 690 | 68·2 | 92·0 | 35·5 | 18·3 | ≥80 | 791 | 60·5 | 85·8 | 44·5 | 23·6 |
| ≥87 | 663 | 65·5 | 89·8 | 38·3 | 18·6 | ≥81 | 753 | 57·6 | 85·3 | 47·9 | 24·7 |
| ≥88 | 635 | 62·7 | 89·1 | 41·4 | 19·2 | ≥82 | 721 | 55·2 | 81·7 | 50·1 | 24·7 |
| ≥89 | 606 | 59·9 | 87·6 | 44·5 | 19·8 | ≥83 | 690 | 52·8 | 79·8 | 52·6 | 25·2 |
| ≥90 | 578 | 57·1 | 82·5 | 46·9 | 19·6 | ≥84 | 660 | 50·5 | 76·6 | 54·7 | 25·3 |
| ≥91 | 551 | 54·4 | 78·1 | 49·3 | 19·4 | ≥85 | 625 | 47·8 | 73·4 | 57·3 | 25·6 |
| ≥92 | 519 | 51·3 | 74·5 | 52·3 | 19·7 | ≥86 | 587 | 44·9 | 71·6 | 60·4 | 26·6 |
| ≥93 | 493 | 48·7 | 71·5 | 54·9 | 19·9 | ≥87 | 556 | 42·5 | 69·7 | 62·9 | 27·3 |
| ≥94 | 467 | 46·1 | 70·8 | 57·7 | 20·8 | ≥88 | 523 | 40·0 | 66·5 | 65·3 | 27·7 |
| ≥95 | 437 | 43·2 | 67·2 | 60·6 | 21·1 | ≥89 | 491 | 37·6 | 63·8 | 67·7 | 28·3 |
| ≥96 | 412 | 40·7 | 62·8 | 62·7 | 20·9 | ≥90 | 466 | 35·7 | 59·6 | 69·1 | 27·9 |
| ≥97 | 392 | 38·7 | 61·3 | 64·8 | 21·4 | ≥91 | 434 | 33·2 | 56·0 | 71·3 | 28·1 |
| ≥98 | 363 | 35·9 | 56·9 | 67·4 | 21·5 | ≥92 | 408 | 31·2 | 53·7 | 73·3 | 28·7 |
| ≥99 | 345 | 34·1 | 56·2 | 69·4 | 22·3 | ≥93 | 375 | 28·7 | 49·1 | 75·4 | 28·5 |
| ≥100 | 326 | 32·2 | 54·0 | 71·2 | 22·7 | ≥94 | 351 | 26·9 | 44·5 | 76·7 | 27·6 |
| ≥101 | 306 | 30·2 | 51·8 | 73·1 | 23·2 | ≥95 | 328 | 25·1 | 48·2 | 78·3 | 28·0 |
| ≥102 | 290 | 28·7 | 48·2 | 74·4 | 22·8 | ≥96 | 309 | 23·6 | 39·9 | 79·6 | 28·2 |
| ≥103 | 275 | 27·2 | 46·7 | 75·9 | 23·3 | ≥97 | 291 | 22·3 | 37·6 | 80·8 | 28·2 |
| ≥104 | 260 | 25·7 | 45·3 | 77·4 | 23·8 | ≥98 | 270 | 20·7 | 36·2 | 82·5 | 29·3 |