TABLE 2.
The list of included studies with reported cut-offs and ROC curve analysis data for predicting abdominal obesity.
| Number | References | AUC | Cut off points | Sensitivity (%) overall |
Specificity (%) overall |
PPV (%) | NPV (%) |
| 1 | Asif et al. (23) | B:0.969 (0.959–0.979) | B:0.47 | B:97% | B:84% | NR | NR |
| G:0.948 (0.936–0.961) | G:0.48 | G:88% | G:87% | ||||
| 2 | Carvalho et al. (24) | B:0.98 (0.96–1.00) | B:0.46 | B:93.6% | B:94.1% | NR | NR |
| G:0.98 (0.96–0.98) | G: 0.48 | G:90.2% | G:92.7% | ||||
| 3 | Choi et al. (11) | B:0.990 | B:0.50 | B:97.5% | B:94.4% | NR | NR |
| G:0.985 | G:0.48 | G:94.6% | G:94.6% | ||||
| T:0.978 | T:0.48 | T:96.4% | T:90.6% | ||||
| 4 | Filgueiras et al. (25) | B (4–5 y):0.904 (0.830–0.954) B(6–7 y):0.980(0.937–0.997) |
B(4–5 y):0.51 B(6–7 y):0.51 |
B(4–5 y):90% (55.5–98.3) | B(4–5 y):89.1% (80.9–94.7) | B: (4–5 y):47.4 |
B: (4–5 y):98.8 |
| B(8–9 y):0.963(0.924–0.985) G(4–5 y):0.902(0.815–0.957) |
B(8–9 y):0.49 G(4–5 y):0.50 |
B(6–7 y):100% (73.4–100) | B(6–7 y):91.8% (85–96.2) | (6–7 y):57.1 (8–9 y):53.1 |
(6–7 y):100 (8–9 y):99.3 |
||
| G(6–7 y):0.835(0.749–0.900) G(8–9 y):0.937(0.893–0.966) |
G(6–7 y):0.50 G(8–9 y):0.47 |
B(8–9 y):94% (72.6–99.1) | B(8–9 y):90.8 (85.3–94.8)% | G: (4–5 y):43.8 |
G: (4–5 y):98.4 |
||
| T(4–5 y):0.898(0.816–0.979) | G(4–5 y):87.5% (47.4–97.9) | G(4–5 y):87.5% (77.6–94.1) | (6–7 y):38.1 | (6–7 y):97.6 | |||
| T(6–7 y):0.915(0.824–1.00) | G(6–7 y):80% (44.4–96.9) | G(6–7 y):86.2% (77.5–92.4) | (8–9 y):31.6 | (8–9 y):100 | |||
| T(8–9 y):0.950(0.926–0.974) | G(8–9 y):100% (81.3–100) | G(8–9 y):78.2% (71.4–84) | |||||
| 5 | Dong et al. (26) | B: | 0.46 | B: | B: | B: | B: |
| (7–9 y):0.916(0.913–0.919) | 7–9 y:100% | 7–9 y:84% | (7–9 y):48% | (7–9 y):100% | |||
| (10–12 y):0.909(0.905–0.912) | 10–12 y:100% | 10–12 y:82% | (10–12 y):53% | (10–12 y): 100% | |||
| (13–15 y):0.950(0.946–0.955) | 13–15 y:96% | 13–15 y:94% | (13–15 y):74% | (13–15 y):99% | |||
| (16–18 y):0.950(0.945–0.954) | 16–18 y:97% | 16–18 y:93% | (16–18 y):68% | (16–18 y): 100% | |||
| T:0.932(0.930–0.934) | T:98% | T:88% | T:59% | T: 100% | |||
| G: | G: | G: | G: | G: | |||
| (7–9 y):0.926(0.919–0.933) | 7–9 y:92% | 7–9 y:93% | (7–9 y):66% | (7–9 y):99% | |||
| (10–12 y):0.922(0.915–0.928) | 10–12 y:89% | 10–12 y:95% | (10–12 y):74% | (10–12 y):98% | |||
| (13–15 y):0.926(0.920–0.933) | 13–15 y:91% | 13–15 y:94% | (13–15 y):70% | (13–15 y): 99% | |||
| (16–18 y):0.920(0.915–0.926) | 16–18 y:95% | 16–18 y:90% | (16–18 y):59% | (16–18 y): 99% | |||
| T:0.923(0.920–0.927) | T:92% | T:93% | T:67% | T: 99% | |||
| 6 | Ejtahed et al. (27) | B: | B: | B: | B: | NR | NR |
| (7–10 y):93(91–95) | (7–10 y):0.50 (0.49–0.51) | (7–10 y):84(79–89) | (7–10 y):91(87–94) | ||||
| (11–14 y):98(97–99) | (11–14 y):0.51 (0.50–0.53) | (11–14 y):94(91–97) | (11–14 y):93(89–95) | ||||
| (15–18 y):98(97–99) | (15–18 y):0.51 (0.50–0.52) | (15–18 y):98(95–100) | (15–18 y):90(86–92) | ||||
| (7–18 y):96(95–97) | (7–18 y):0.50 (0.49–0.52) | (7–18 y):93(90–96) | (7–18 y):90(87–92) | ||||
| G: | G: | G: | G: | ||||
| (7–10 y):95(94–97) | (7–10 y):0.50 (0.49–0.51) | (7–10 y):90(85–95) | (7–10 y):89(85–93) | ||||
| (11–14 y):97(97–98) | (11–14 y):0.49 (0.49–0.50) | (11–14 y):97(94–98) | (11–14 y):90(88–92) | ||||
| (15–18 y):98 (97–98) | (15–18 y):0.51 (0.50–0.52) | (15–18 y):95 (91–98) | (15–18 y):93 (89–96) | ||||
| (7–18 y):97 (96–97) | (7–18 y):0.50 (0.49–0.500 | (7–18 y):95(93–98) | (7–18 y):88(86–90) | ||||
| T: | T: | T:88(84–92) | T: | ||||
| (7–10 y):94(92–95) | (7–10 y):0.50 (0.49–0.50) | (7–10 y):88(84–92) | (7–10 y):89(85–91) | ||||
| (11–14 y):97 (97–98) | (11–14 y):0.49 (0.49–0.50) | (11–14 y):97(95–98) | (11–14 y):89(87–90) | ||||
| (15–18 y):98 (97–98) | (15–18 y):0.51 (0.51–0.52) | (15–18 y):96(93–97) | (15–18 y):92(89–94) | ||||
| (7–18 y):96 (96–97) | (7–18 y):0.50 (0.49–0.51) | (7–18 y): 94–90–97) | (7–18 y):89(85–92) | ||||
| 7 | Fujita et al. (28) | B:0.981 (0.964–0.998) | B:0.519 | B:100% | B:95% | NR | NR |
| G:0.992 (0.981–1.004) | G:0.499 | G:100% | G:95% | ||||
| 8 | Guntsche et al. (29) | Pubertal children: 0.99 | B:0.54 | Pubertal children: 97.2% | Pubertal children: 100% | NR | NR |
| Prepubertal children: 0.98 | G:0.54 | Prepubertal children: 93.9% | Prepubertal children: 100% | ||||
| 9 | Kilinc et al. (3) | B:0.940 | B:0.47 | B:92.58% | B:78.97% | NR | NR |
| G:0.907 | G:0.46 | G:90.05% | G:74.76% | ||||
| Children: 0.926 | Children: 0.49 | Children: 89.51% | Children: 82.61% | ||||
| Adolescents: 0.964 | Adolescents: 0.46 | Adolescents: 93.19% | Adolescents: 87.93% | ||||
| T:0.920 | T:0.47 | T:89.89% | T:77.44% | ||||
| 10 | Kim et al. (30) | 0.985(0.985–0.985) | 0.48 | 97.6% | 91.3% | 54.7 | 99.7 |
| 11 | Sousa et al. (20) | B:0.98 (0.97–1.00) | B:0.45 | B:98.1% G:99.1% | B: 20.2% G:30.8% | NR | NR |
| G:0.96 (0.95–0.98) | G:0.45 | ||||||
| 12 | Taylor et al. (31) | B:0.81 (0.73–0.90) | 0.5 | B:57% | B:76% | NR | NR |
| G:0.79 (0.67–0.91) | G:74% | G:72% | |||||
| T:0.79 (0.71–0.87) | |||||||
| 13 | Zhou et al. (13) | B for central obesity: 0.983 | B for central obesity: 0.47 | B for central obesity: 94.3% | B for central obesity: 92.1% | NR | NR |
| G for central obesity: 0.984 | G for central obesity: 0.45 | G for central obesity: 96.3% | G for central obesity: 90.5% |
AUC, area under the curve; PPV, positive predictive value; NPV, negative predictive value; WC, waist circumference; DXA, dual-energy X-ray absorptiometry; Y, year; B, boys; G, girls; T, total; NR, not reported.