Table 2 Quantitative pupillometry values measured under scotopic conditions during this study, reported as mean values of the population and between gender and ethnicity
From: Establishing a normative database for quantitative pupillometry in the pediatric population
Gender | Ethnicity | ||||
|---|---|---|---|---|---|
Variable | All Children | Male | Female | Hispanic/Latino | Non-Hispanic/Latino |
Maximum Diameter (mm) | |||||
Mean (n) | 6.6 (196) | 6.7 (83) | 6.5 (113) | 6.5 (83) | 6.7 (113) |
(Mean - 2 SD, Mean + 2 SD) | (5.1, 8.1) | (5.1, 8.3) | (5.2, 7.9) | (5.2, 7.8) | (5.1, 8.2) |
Minimum Diameter (mm) | |||||
Mean (n) | 4.7 (196) | 4.6 (83) | 4.7 (113) | 4.6 (83) | 4.7 (113) |
(Mean - 2 SD, Mean + 2 SD) | (3.1, 6.2) | (3.1, 6.2) | (3.2, 6.2) | (3.2, 6.0) | (3.1, 6.3) |
Constriction Percentage | |||||
Mean (n) | −30 (196) | − 31* (83) | −28* (113) | −29 (83) | − 30 (113) |
(Mean - 2 SD, Mean + 2 SD) | (−42, −17) | (− 41, − 21) | (− 42, −15) | (− 42, −16) | (− 42, −18) |
Latency (ms) | |||||
Mean (n) | 230 (196) | 230 (83) | 230 (113) | 230 (83) | 230 (113) |
(Mean - 2 SD, Mean + 2 SD) | (160, 300) | (170, 290) | (170, 290) | (170, 290) | (170, 290) |
Average Constriction Velocity (mm/s) | |||||
Mean (n) | −3.70 (196) | −3.83 (83) | − 3.60 (113) | −3.69 (83) | − 3.69 (113) |
(Mean - 2 SD, Mean + 2 SD) | (−5.18, −2.21) | (− 5.17, − 2.49) | (−5.16, − 2.04) | (−5.15, − 2.23) | (− 5.21, − 2.17) |
Maximum Constriction Velocity (mm/s) | |||||
Mean (n) | − 5.02 (196) | − 5.28* (83) | −4.83* (113) | −4.91 (83) | − 5.09 (113) |
(Mean - 2 SD, Mean + 2 SD) | (−6.81, − 3.23) | (−6.76, − 3.80) | (− 6.73, − 2.93) | (− 6.79, − 3.03) | (−6.83, − 3.35) |
Average Dilation Velocity (mm/s) | |||||
Mean (n) | 0.88 (134) | 0.91 (59) | 0.86 (75) | 0.87 (55) | 0.90 (79) |
(Mean - 2 SD, Mean + 2 SD) | (0.38, 1.38) | (0.39, 1.43) | (0.38, 1.34) | (0.37, 1.37) | (0.44, 1.36) |
75% Recovery Time (s) | |||||
Mean (n) | 2.82 (102) | 2.89 (45) | 2.77 (57) | 2.85 (47) | 2.80 (55) |
(Mean - 2 SD, Mean + 2 SD) | (1.51, 4.13) | (1.77, 4.01) | (1.33, 4.21) | (1.69, 4.01) | (1.36, 4.24) |
Asymmetry | |||||
≤ 0.5 mm | 84.2% | ||||
≤ 1.0 mm | 95.8% | ||||