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Table 2 Case-control comparisons of clinical variables and somatic inpatient care because of somatic comorbidity or serious suicide attempts

From: Are quantity and content of psychiatric interventions associated with suicide? A case-control study of a Swedish sample

  Suicide cases
n = 154
Controls
n = 154
 
n (%)11 n (%)11 Test statistic, p
Provision of psychiatric care
 Outpatient visits (yes) 151 (98.1) 154 (100) F, p = .2489
 Inpatient admissions (yes) 80 (51.9) 75 (48.7) χ2: 0.32, df 1, p = .56910
 of which involuntary admissions (yes) 15 (9.7) 9 (5.8) χ2: 1.63, df 1, p = .20210
 Number of outpatient visits, Md1 4 (1–217) 19.5 (1–209) U, p = .0019
 Number of admissions, Md1 2 (1–11) 2 (1–22) U, p = .95411
 Hospitalization days, Md1 20.5 (1–693) 16 (1–191) U, p = .44311
Psychiatric interventions
 Intervention forms
  Combination treatment (yes) 2 17 (11.0) 41 (26.6) χ2: 12.27, df 3, p = .00710
  Psychotherapy (yes)3 2 (0.9) 2 (0.9)  
  Psychotropics (yes)4 119 (77.2) 98 (63.6)  
  Other (yes)5 16 (10.4) 13 (8.4)  
  Number of psychotherapy sessions, Md1 5 (1–47) 13 (1–142) U, p = .50411
  CBT (including DBT) 8 (5.2) 17 (11) χ2: 3.53, df 1, p = .06010
  PDT 12 (7.8) 14 (9.1) χ2: 0.17, df 1, p = .83810
  Other structured psychotherapy 6 (3.9) 18 (11.7) χ2: 6.51, df 1, p = .01110
  Electroconvulsive therapy6 13 (8.4) 13 (8.4) χ2: 0.00, df 1, p = 1.0010
Provision of somatic inpatient care
 Somatic comorbidity (yes)7 50 (32.5) 30 (19.5) χ2: 6.75, df 1, p = .00910
 Serious suicide attempts8 30 (19.5) 14 (9.1) χ2: 6.79, df 1, p = .00910
  1. 1 Md: Median (minimum to maximum)
  2. 2 Combination treatment: psychotropics and psychotherapy (CBT, DBT, PDT or other structured psychotherapy)
  3. 3 Mono treatment: psychotherapy without psychotropics
  4. 4 Mono treatment: psychotropics without psychotherapy
  5. 5 Other supportive interventions
  6. 6 All patients with ECT were prescribed psychotropic drugs. Two ECT cases (controls) also received psychotherapy
  7. 7 Somatic specialist medical inpatient treatment because of somatic comorbidity. Diagnostic ICD-10 codes provided in the Appendix
  8. 8 Somatic specialist medical inpatient treatment because of serious suicide attempts. Diagnostic ICD-10 codes provided in the Appendix
  9. 9 Results from Fisher’s Exact Test (F)
  10. 9 Results from Pearson Chi-Square Tests (χ2)
  11. 10 Results from Mann Whitney U-test (U)
  12. 11 n (%) = number (percent) of patients in each group