Table 3 The diagnostic performance of senior radiologists alone, smartphone app alone, and senior radiologists with smartphone app’s assistance in diagnosing biliary atresia

J-initial

0.816 (0.770, 0.856)

88.9 (83.5, 93.0)

74.3 (66.4, 81.2)

82.6 (73.1, 92.9)

0.01

0.18

0

Model

0.874 (0.834, 0.908)

91.5 (86.6, 95.1)

83.3 (76.2, 89.0)

88.0 (78.2, 98.7)

–

–

–

J-final

0.841 (0.797, 0.879)

88.4 (82.9, 92.6)

79.9 (72.4, 86.1)

84.7 (78.1, 95.2)

–

–

–

K-initial

0.714 (0.662, 0.762)

94.2 (89.8, 97.1)

48.6 (40.2, 57.1)

66.1 (57.6, 75.4)

 < 0.001

0.01

2

Model

0.859 (0.817, 0.895)

90.0 (84.7, 93.8)

81.9 (74.7, 87.9)

79.3 (70.0, 89.4)

–

–

–

K-final

0.753 (0.703, 0.798)

93.7 (89.2, 96.7)

56.9 (48.4, 65.2)

81.4 (72.0, 91.7)

–

–

–

L-initial

0.670 (0.616, 0.720)

60.3 (53.0, 67.3)

73.6 (65.6, 80.6)

74.5 (65.5, 84.3)

 < 0.001

 < 0.001

8

Model

0.785 (0.737, 0.828)

84.1 (78.1, 89.0)

72.9 (64.9, 80.0)

86.5 (76.8, 97.1)

–

–

–

L-final

0.810 (0.763, 0.850)

84.1 (78.1, 89.0)

77.8 (70.1, 84.3)

77.8 (68.6, 87.9)

–

–

–

M-initial

0.731 (0.680, 0.778)

58.7 (51.4, 65.8)

87.5 (81.0, 92.4)

71.2 (62.4, 80.8)

0.001

0.002

4

Model

0.818 (0.773, 0.858)

87.3 (81.7, 91.7)

76.4 (68.6, 83.1)

82.6 (73.1, 92.9)

–

–

–

M-final

0.791 (0.744, 0.834)

71.4 (64.4, 77.8)

86.8 (80.2, 91.9)

78.1 (68.9, 88.2)

–

–

–

N-initial

0.812 (0.766, 0.853)

88.9 (83.5, 93.0)

73.6 (65.6, 80.6)

82.3 (72.8, 92.7)

0.91

0.08

3

Model

0.810 (0.764, 0.851)

90.5 (85.4, 94.3)

71.5 (63.4, 78.7)

82.3 (72.8, 92.7)

–

–

N-final

0.830 (0.785, 0.869)

91.0 (86.0, 94.7)

75.0 (67.1, 81.8)

84.1 (74.5, 94.5)

–

–