Table 5 Summary of the sub-group analysis

Se 

Deep learning

0.84

(0.76–0.89)

0.73

(0.63–0.80)

0.67

(0.60–0.73)

0.77

(0.70–0.82)

0.77

(0.70–0.83)

0.81

(0.76–0.84)

Machine learning

0.93

(0.86–0.97)

0.72

(0.56–0.85)

0.57

(0.43–0.69)

0.52

(0.38–0.65)

0.53

(0.37–0.69)

0.74

(0.66–0.82)

Sp 

Deep learning

0.97

(0.96–0.98)

0.94

(0.92–0.96)

0.95

(0.93–0.96)

0.94

(0.92–0.96)

0.94

(0.92–0.95)

0.97

(0.96–0.98)

Machine learning

0.95

(0.89–0.97)

0.97

(0.94–0.98)

0.94

(0.90–0.96)

0.93

(0.88–0.95)

0.95

(0.92–0.96)

0.93

(0.87–0.97)