Table 1 Rapid cycling (RC) in bipolar disorder patients
From: Characteristics of rapid cycling in 1261 bipolar disorder patients
Factors | Cases (n) | RC rate (%) | RR | χ2 | p-value |
|---|---|---|---|---|---|
All cases | 1261 | 9.36 [7.81–11.1] | – | – | – |
Bipolar type | |||||
 BD1 | 642 | 3.74 [2.41–5.51] | 4.06 | 48.7 |  <  0.0001 |
 BD2 | 619 | 15.2 [12.4–18.3] |  |  |  |
Sex | |||||
 Women | 722 | 10.9 [8.76–13.4] | 1.51 | 5.00 | 0.025 |
 Men | 539 | 7.24 [5.20–9.76] |  |  |  |
Diagnosis and sex | Â | Â | [*] | Â | Â |
 BD2 Women | 370 | 16.5 [12.9–20.7] | [comparator] |  |  |
 BD1 Women | 352 | 13.3 [9.30–18.1] | 1.24 |  |  |
 BD2 Men | 249 | 5.11 [3.06–7.96] | 3.23 |  |  |
 BD1 Men | 290 | 2.07 [0.76–4.49] | 7.97 | – | – |