Table 2.
Spearman’s coefficient analysis between nurse and pupillometer for pupil size evaluation
| Pupil size (mm) | n | Nurses’ estimationsa (mm) | Pupillometer measurementsa (mm) | P value | Spearman's coefficient (95 % CI) | P value |
|---|---|---|---|---|---|---|
| <2 | 61 | 2 (2–2) | 1.8 (1.6–1.8) | 0.057 | 0.39 (0.15–0.59) | 0.002 |
| 2–4 | 232 | 3 (2–3) | 2.8 (2.5–3.3) | 0.005 | 0.44 (0.33–0.54) | <0.001 |
| >4 | 113 | 4 (3–5) | 4.9 (4.4–5.6) | <0.001 | 0.37 (0.19–0.51) | 0.001 |
| All | 406 | 3 (2–4) | 3.0 (2.3–4.3) | <0.001 | 0.75 (0.71–0.79) | <0.001 |
aData presented as median (interquartile range)
CI confidence interval