Table 2.
Statistical values of included studies
| Authors | Se (%) | Sp (%) | PPV (%) | NPV (%) | Acc (%) |
|---|---|---|---|---|---|
| Vu AN et al (2015) | WL 40.54 (24.77-57.90) NBI 43.24 (34.84-92.97) | WL 78.57 (65.56-88.40) NBI 75.00 (16.35-61.62) | WL 55.56 (35.34-74.50) NBI 53.33 (16.35-61.62) | WL 66.67 (53.99-77.79) NBI 66.67(53.66-78.04) | WL 63.44 NBI 62.37 |
| Upadhyay et al (2019) | WL 75.75 NBI 93.93 | WL 76.43 NBI 80 |
/ | / | / |
| Yang SW et al (2013) | WL 96.30 NBI 87.04 |
WL 60.08 NBI 93.54 |
WL 33.12 NBI 73.44 | WL 98.75 NBI 97.23 | WL 66.25 NBI 92.43 |
| Yang SW et al (2014) | NBI 93.75 | NBI 91.49 | NBI 78.95 | NBI 97.73 | NBI 92.06 |
| Shibahara et al (2014) | NBI 92.3 | NBI 88.2 | / | / | / |
| Ottaviani G et al (2016) | NBI 64 (41-86) (D1) NBI 99 (96-100) (D2) NBI 72 (49-86) (D3) NBI 98 (93-100) (K) |
NBI 96 (88-100) (D1) NBI 89 (80-96) (D2) NBI 93 (86-97) (D3) NBI 100 (100-100) (K) |
NBI 78 (56-99) (D1) NBI 61 (39-82) (D2) NBI 59 (32-78) (D3) NBI 96 (91-100) (K) |
NBI 92 (86-100) (D1) NBI 98 (93-100) (D2) NBI 98 (90-100) (D3) NBI 100 (100-100) (K) |
NBI 93 (86-100) (D1) NBI 89 (79-97) (D2) NBI 95 (90-100) (D3) NBI 99 (97-100) (K) |
| Yang SW et al (2012) | Criteria I: 15.39 Criteria II: 76.92 Criteria III: 84.62 | Criteria I: 60.46 Criteria II: 55.01 Criteria III: 94.56 | Criteria I: 6.76 Criteria II: 24.15 Criteria III: 74.32 | Criteria I: 79.32 Criteria II: 92.75 Criteria III: 97.06 | Criteria I: 53.38 Criteria II: 58.45 Criteria III: 93.0 |
| Yang SW et al (2015) | Criteria III: 80.95 | Criteria III: 78.43 | Criteria III: 60.71 | Criteria III: 90.91 | Criteria III: 79.17 |
| Sekine R et al (2015) | NBI 89 | NBI 93 | / | / | / |
Se: sensitivity; Sp: specificity; PPV: positive predictive value; NPV: negative predictive value; Acc: accuracy