Table 1: Real-ear insertion gain (REIG) (dB) measured with a hearing aid test system for 20 and 40 dB gain settings.

Gain setting (dB)2040
Input level (dB SPL)507050

SubjectAnalog

120.4020.7039.90
219.9020.0039.80
320.0019.7039.40
420.0020.7039.70
1420.5019.3039.90

Mean20.1620.0839.74
SD0.270.620.21

SubjectDigital A

120.3019.8040.40
220.3020.1039.60
319.5019.7039.90
420.1020.3040.30
1420.1019.4040.40

Mean20.0619.8640.12
SD0.330.350.36

SubjectDigital B

120.1020.0040.10
220.1020.6040.10
319.8019.7040.40
420.0020.1040.10
1420.0020.2039.90

Mean20.0020.1240.12
SD0.120.330.18