Spearman’s correlation between CNS-LS total score, laughter and crying subscores, and PHQ-9 total score
| * | CNS-LS laughter subscore | CNS-LS crying subscore | PHQ-9 total score |
| CNS-LS total score | 0.73 | 0.91 | 0.39 |
| CNS-LS laughter subscore | 0.45 | 0.18 | |
| CNS-LS crying subscore | 0.43 |
*All correlations are significant (p<0.05).
Correlation between individual questions of the two instruments, total scores and subscores along with bootstrap confidence intervals are available in online supplementary figure S1.
CNS-LS, Center for Neurologic Study-Lability Scale; PHQ-9, Patient Health Questionnaire.