Skip to main content
. 2019 Aug 5;33(1):4–17. doi: 10.1038/s41379-019-0327-4

Table 1B.

Summary of results from all studies (combined estimate of sensitivity and specificity)

TPS Cut-off Gold Standard Candidate Assay No. of Comparisons Sensitivity (95% CI) Specificity (95% CI)
1% PD-L1 IHC 22C3 pharmDx 22C3 LDT 11 0.99 (0.91 -1.00) 1.00 (0.78–1.00)
PD-L1 IHC 28-8 pharmDx 21 0.96 (0.92–0.97) 0.84 (0.78–0.88)
Ventana PD-L1 (SP263) 16 0.93 (0.88–0.95) 0.83 (0.77–0.86)
E1L3N LDT 14 0.84 (0.78–0.88) 0.94 (0.90–0.96)
Ventana PD-L1 (SP142) 18 0.61 (0.55–0.67) 0.97 (0.94–0.98)
28-8 LDT 6 See Table B
SP142 LDT 3 See Table C
SP263 LDT 2 See Table C
73-10 Assay 1 See Table C
PD-L1 IHC 28-8 pharmDx Ventana PD-L1 (SP263) 14 0.90 (0.86–0.94) 0.88 (0.82–0.93)
PD-L1 IHC 22C3 pharmDx 24 0.88 (0.84–0.91) 0.94 (0.92–0.96)
28-8 LDT 4 0.82(0.67–0.91) 0.91 (0.82–0.96)
E1L3N LDT 12 0.80 (0.76–0.84) 0.99 (0.94–0.99)
Ventana PD-L1 (SP142) 13 0.59 (0.52–0.66) 0.99 (0.96–1.00)
SP142 LDT 2 See Table C
SP263 LDT 2 See Table C
73-10 Assay 1 See Table C
Ventana PD-L1 (SP263) PD-L1 IHC 28-8 pharmDx 14 0.93 (0.86–0.96) 0.85 (0.80–0.88)
PD-L1 IHC 22C3 pharmDx 17 0.83 (0.76–0.89) 0.91 (0.85–0.94)
E1L3N LDT 9 0.78 (0.71–0.84) 0.93 (0.88–0.96)
Ventana PD-L1 (SP142) 13 0.58 (0.51–0.66) 0.98 (0.96–0.99)
28-8 LDT 4 See Table B
SP142 LDT 1 See Table C
73-10 Assay 1 See Table C
22C3 LDT 1 See Table C
50% PD-L1 IHC 22C3 pharmDx 22C3 LDT 10 See Table B
PD-L1 IHC 28-8 pharmDx 21 0.94 (0.88–0.97) 0.95 (0.93–0.97)
28-8 LDT 6 0.95 (0.81–0.99) 0.76 (0.67–0.83)
Ventana PD-L1 (SP263) 16 0.92 (0.84–0.96) 0.92 (0.90–0.94)
E1L3N LDT 13 0.76 (0.62–0.86) 0.97 (0.95–0.99)
Ventana PD-L1 (SP142) 17 0.42 (0.31–0.54) 1.00 (0.99–1.00)
SP142 LDT 3 See Table C
SP263 LDT 1 See Table C
73-10 Assay 1 See Table C
Ventana PD-L1 (SP263) 28-8 LDT 4 See Table B
PD-L1 IHC 28-8 pharmDx 13 0.69 (0.56–0.79) 0.98 (0.96–0.99)
PD-L1 IHC 22C3 pharmDx 17 0.57 (0.46–0.68) 0.99 (0.98–1.00)
E1L3N LDT 9 0.36 (0.28–0.44) 0.99 (0.93–1.00)
Ventana PD-L1 (SP142) 10 See Table B
SP142 LDT 1 See Table C
22C3 LDT 1 See Table C
73-10 Assay 1 See Table C