Table 2 Mean value and standard deviation for PLR parameters
From: The pupillary light reflex (PLR) as a marker for the ability to work or drive – a feasibility study
Endpoint (mean, SD) | Baseline | Sleep deprivation | Alcohol exposure | p-value* |
|---|---|---|---|---|
Initial diameter (pix) | 242.79 (48.11) | 244.21 (53.6) | 244.96 (51.19) | 0.23 |
Latency (ms) | 226.23 (22.49) | 226.92 (22.52) | 224.7 (20.93) | < 0.05 |
Acceleration (ms) | 249.66 (29.39) | 250.86 (30.78) | 250.27 (29.69) | 0.35# |
Contraction velocity (pix/ms) | 0.1061 (0.025) | 0.1081 (0.029) | 0.1091 (0.026) | < 0.05 |
Quarter dilatation velocity (pix/ms) | 0.069 (0.015) | 0.068 (0.016) | 0.0689 (0.015) | < 0.05# |
Half dilatation time (ms) | 451.05 (104.02) | 482.92 (116.76) | 483.09 (115.02) | < 0.05# |
Line integral | 3524.51 (7.27) | 3525.35 (8.1) | 3525.09 (7.27) | 0.096 |
PVT (ms) | 340.83 (50.1) | 370.25 (40.62) | 357.6 (46.79) | < 0.05 |