From: Risk factors of sleep paralysis in a population of Polish students
 | SP+ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
With psychiatric disorders | Without psychiatric disorders | Â | ||||||||
Me | M | Range | IQR | Me | M | Range | IQR | Z | p | |
Age | 23.0 | 22.95 | 15.0 | 3.00 | 22 | 22.21 | 16.0 | 3.00 | 2.22 | 0.026 |
BMI | 23.01 | 24.42 | 17.31 | 4.27 | 21.97 | 22.71 | 47.45 | 4.96 | 2.09 | .036 |
Number of cigarettes smoked | 0 | 3.05 | 1.0 | 0.25 | 0 | 1.54 | 1.0 | 0 | 2.78 | 0.005 |
Number of pack-year | 0 | 2.25 | 11.25 | 0.60 | 0 | 1.04 | 10.0 | 0 | 3.27 | 0.001 |
PCL-5 | 33.5 | 32.66 | 65.0 | 26.0 | 28.0 | 28.33 | 72.0 | 26.0 | 2.04 | 0.041 |
The number of SP episodes throughout the lifetime | 10.0 | 23.34 | 299.0 | 16.0 | 5.0 | 25.79 | 1999.0 | 13.0 | 2.56 | 0.01 |