Table 1.
Difference between X and Y (X−Y) | |||||||||
---|---|---|---|---|---|---|---|---|---|
X = SS-OCT Result, Y = SD-OCT Result | Bland–Altman plots regression between (X+Y)/2 and (X−Y) | ||||||||
Mean difference | 95% | p-value | Fixed bias | Proportional bias | p-value | R 2 | |||
cpRNFL | |||||||||
Average | 13.0 | 12.0 | 13.9 | <0.001 | −11.3 | Y | 0.27 | <0.001 | 0.37 |
12 | 14.1 | 11.8 | 16.5 | <0.001 | 2.4 | N | 0.11 | 0.013 | 0.04 |
1 | 13.9 | 11.6 | 16.2 | <0.001 | −9.2 | N | 0.23 | <0.001 | 0.15 |
2 | 7.3 | 5.1 | 9.6 | <0.001 | −19.8 | Y | 0.35 | <0.001 | 0.19 |
3 | 9.0 | 7.2 | 10.8 | <0.001 | −17.0 | Y | 0.43 | <0.001 | 0.13 |
4 | 13.9 | 12.0 | 15.8 | <0.001 | −24.9 | Y | 0.59 | <0.001 | 0.38 |
5 | 18.9 | 16.9 | 20.9 | <0.001 | −9.4 | Y | 0.30 | <0.001 | 0.25 |
6 | 20.5 | 17.9 | 23.0 | <0.001 | −10.3 | Y | 0.26 | <0.001 | 0.30 |
7 | 4.0 | 1.6 | 6.4 | 0.001 | −13.7 | Y | 0.16 | <0.001 | 0.18 |
8 | 9.1 | 7.8 | 10.4 | <0.001 | 10.2 | Y | −0.02 | 0.751 | 0.00 |
9 | 16.0 | 14.9 | 17.2 | <0.001 | 10.0 | Y | 0.10 | 0.155 | 0.02 |
10 | 15.9 | 14.8 | 17.0 | <0.001 | 7.1 | Y | 0.10 | 0.001 | 0.08 |
11 | 12.9 | 10.9 | 14.9 | <0.001 | −8.2 | Y | 0.18 | <0.001 | 0.19 |
GC-IPL | |||||||||
Average | −9.6 | 10.1 | −9.4 | <0.001 | 0.31 | N | −0.14 | <0.001 | 0.18 |
Superior | −11.2 | 11.9 | −10.4 | <0.001 | 8.2 | Y | −0.27 | <0.001 | 0.21 |
Superonasal | −7.3 | −8.0 | −6.7 | <0.001 | 5.6 | N | −1.7 | <0.001 | 0.09 |
Inferonasal | −8.0 | −9.1 | −6.8 | <0.001 | −0.21 | N | −0.11 | 0.007 | 0.05 |
Inferior | −12.0 | 12.6 | −11.4 | <0.001 | 2.20 | N | −0.22 | <0.001 | 0.25 |
Inferotemporal | −9.0 | −9.5 | −8.4 | <0.001 | −6.4 | Y | −0.04 | 0.149 | 0.02 |
Superotemporal | −9.4 | −9.9 | −8.9 | <0.001 | −4.5 | N | −0.07 | 0.058 | 0.03 |
cpRNFL circumpapillary RNFL, GC-IPL ganglion cell-inner plexiform layer