Table 1.
Background variables for patients in the control and diary groups
| Control (n = 41) | Diary (n = 39) | Statistical test | P | |
|---|---|---|---|---|
| Mean age in years | 78.02 (5.24) | 79.64 (6.09) | F = 1.626 | .206 |
| Gender | M, 23 (56.1%); F = 18 (43.9%) | M, 25 (64.1%); F, 14 (35.9%) | λ = 0.534 | .308 |
| Severity | Mild, 21 (51.2%); moderate, 18 (43.9%); severe = 2 (4.9%) | Mild = 14 (35.9%); moderate = 24 (61.5%); severe = 0 | λ = 0.521 | .157 |
| Duration of symptoms in years | 3.33 (2.71) | 3.38 (2.53) | F = 0.008 | .93 |
| Mean total initial NPI score | 18.58 (16.55) | 23.59 (19.64) | F = 1.524 | .221 |
NOTE. F—Analysis of variance; λ—Chi-squared test.