|
Diagnostic value of SteatoTest for predicting liver steatosis greater than 5%. |
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| Cut-off |
Sensitivity |
Specificity |
Positive Predictive Value |
Negative Predictive Value |
|
|
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| Training Group N = 310 |
Prevalence = 45% |
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| SteatoTest 0.30 |
0.91 (127/140) |
0.45 (77/170) |
0.58 (127/220) |
0.86 (77/90) |
| SteatoTest 0.50 |
0.69 (97/140) |
0.74 (126/170) |
0.69 (97/141) |
0.75 (126/169) |
| SteatoTest 0.70 |
0.45 (63/140) |
0.89 (152/170) |
0.78 (63/81) |
0.66 (152/229) |
| GGT 50 IU/L |
0.66 (92/140) |
0.55 (94/170) |
0.55 (92/168) |
0.66 (94/142) |
| ALT 50 IU/L |
0.77 (108/140) |
0.35 (60/170) |
0.50 (108/218) |
0.65 (60/92) |
| Validation Group1 N = 171 |
Prevalence = 26% |
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| SteatoTest 0.30 |
0.98 (44/45) |
0.24 (30/126) |
0.31 (44/140) |
0.97 (30/31) |
| SteatoTest 0.50 |
0.89 (40/45) |
0.58 (73/126) |
0.43 (40/93) |
0.94 (73/78) |
| SteatoTest 0.70 |
0.44 (20/45) |
0.83 (105/126) |
0.49 (20/41) |
0.81 (105/130) |
| GGT 50 IU/L |
0.62 (28/45) |
0.61 (72/126) |
0.34 (28/82) |
0.81 (72/89) |
| ALT 50 IU/L |
1.00 (45/45) |
0.06 (8/126) |
0.28 (45/163) |
1.00 (8/8) |
| Validation Group 2 N = 201 |
Prevalence = 11% |
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| SteatoTest 0.30 |
1.00 (22/22) |
0.56 (100/179) |
0.22 (22/101) |
1.00 (100/100) |
| SteatoTest 0.50 |
0.68 (15/22) |
0.79 (142/179) |
0.29 (15/52) |
0.95 (142/149) |
| SteatoTest 0.70 |
0.32 (7/22) |
0.92 (165/179) |
0.33 (7/21) |
0.92 (165/180) |
| GGT 50 IU/L |
0.09 (2/22) |
0.97 (174/179) |
0.29 (2/7) |
0.90 (174/194) |
| ALT 50 IU/L |
0.05 (1/22) |
0.98 (176/179) |
0.25 (1/3) |
0.89 (176/197) |
| Validation Group 3 N = 62 |
Prevalence = 94% |
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| SteatoTest 0.30 |
0.85 (49/58) |
0.00 (0/4) |
0.93 (49/53) |
0.00 (0/9) |
| SteatoTest 0.50 |
0.62 (36/58) |
1.00 (4/4) |
1.00 (36/36) |
0.15 (4/26) |
| SteatoTest 0.70 |
0.40 (23/58) |
1.00 (4/4) |
1.00 (23/23) |
0.10 (4/39) |
| GGT 50 IU/L |
0.90 (52/58) |
0.00 (0/4) |
0.93 (52/56) |
0.00 (0/6) |
| ALT 50 IU/L |
0.53 (31/58) |
0.75 (3/4) |
0.97 (31/32) |
0.10 (3/30) |
| All Groups N = 884 |
Prevalence = 30% |
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| SteatoTest 0.30 |
0.90 (238/265) |
0.54 (336/619) |
0.46 (238/521) |
0.93 (336/363) |
| SteatoTest 0.50 |
0.72 (190/265) |
0.75 (466/619) |
0.55 (190/343) |
0.86 (466/541) |
| SteatoTest 0.70 |
0.46 (122/265) |
0.88 (546/619) |
0.63 (122/195) |
0.79 (546/689) |
| GGT 50 IU/L |
0.66 (174/265) |
0.76 (468/619) |
0.54 (174/325) |
0.84 (468/559) |
| ALT 50 IU/L |
0.72 (185/265) |
0.62 (382/619) |
0.44 (185/422) |
0.83 (382/462) |
Poynard et al. Comparative Hepatology 2005 4:10 doi:10.1186/1476-5926-4-10 |
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