Table 1 Baseline characteristics of the 346 study subjects
From: Stability of lithium treatment in bipolar disorder - long-term follow-up of 346 patients
Men, n (%) | 147 (42.5) |
|---|---|
Women, n (%) | 199 (57.5) |
DSM IV diagnosis, n (%) | |
Bipolar I | 270 (78.0) |
Bipolar II | 76 (22.0) |
Length of follow-up period (year, SD, range) | 10.0 (6.2, 1 to 20) |
Age at onset of bipolar disorder (year, SD, range) | 29.2 (11.0, 11 to 66) |
Latency before start of lithium treatment (year, SD, range) | 9.7 (9.3, 0 to 44) |
Number of episodes before start of lithium treatment (n, SD, range) | 5.5 (4.9, 0 to 40) |
Comedication in all 346 patients (mean number of weeks [per follow-up year] during which any drugs from three different drug categories were administered; n, SD, range) | |
Total | 9.8 (17.7, 0 to 91) |
Antipsychotics | 2.5 (7.9, 0 to 52) |
Antidepressants | 3.5 (9.4, 0 to 52) |
Anticonvulsants | 3.8 (10.5, 0 to 52) |
Comedication in 152 patients without lithium monotherapy (mean number of weeks [per follow-up year] during which any drugs from three different drug categories were administered; n, SD, range) | |
Total | 22.4 (20.9, 0 to 91) |
Antipsychotics | 5.6 (11.1, 0 to 52) |
Antidepressants | 8.0 (12.9, 0 to 52) |
Anticonvulsants | 8.8 (14.4, 0 to 52) |