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Time series analysis of patients with neurotic stress-related and somatoform disorders (F40-48) (n = 4463)
| Year | Season | |||
|---|---|---|---|---|
| Winter (n) | Spring (n) | Summer (n) | Autumn (n) | |
| Seasonal index | 126.28 | 109.39 | 95.46 | 80.24 |
| 1999 | 79 | 115 | 142 | 214 |
| 2000 | 121 | 107 | 159 | 218 |
| 2001 | 133 | 162 | 241 | 242 |
| 2002 | 159 | 188 | 204 | 194 |
| 2003 | 163 | 157 | 149 | 158 |
| 2004 | 122 | 168 | 133 | 197 |
| Total | 777 | 897 | 1028 | 1223 |
| Average | 126.28 | 109.39 | 95.46 | 80.24 |
| Seasonal index | 129.5 | 149.5 | 171.33 | 203.83 |
| Chi-square | 84.257 | df = 15; | ||
| value | P<0.001 | |||
