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Table 4 Hospitalization, Therapies, and Medication Treatment in relation to Reported SI History

From: Suicidality in individuals with Prader-Willi syndrome: a review of registry survey data

  Reported SI No Reported SI Total Count Pearson’s X2 (df), p-value Cramer’s V
Count (%) Count (%) Count (%)
Psychiatric Hospitalization Yes 42 (44.7) 59 (9) 101 (13.5)   0.353
No 50 (53.2) 593 (90.4) 643 (85.7) 93.398 (2), < 0.001
Don’t know 2 (2.1) 4 (0.6) 6 (0.8)  
Number of Psychiatric Hospitalizations 1 16 (17) 28 (4.3) 44 (5.9)   0.359
2–4 21 (22.3) 25 (3.8) 46 (6.1) 96.562 (3), < 0.001
5 or more 4 (4.3) 2 (0.3) 6 (0.8)  
Unknown 53 (56.4) 601 (91.6) 654 (87.2)  
Applied Behavioral Analysis or Behavioral Therapy Yes 35 (37.2) 153 (23.3) 188 (25.1)   
No 28 (29.8) 327 (49.8) 355 (47.3) 14.464 (2), 0.001 0.139
Unknown 31 (33) 176 (26.8) 207 (27.6)   
Hippotherapy Yes 31 (33) 191 (29.1) 222 (29.6) 1.622 (2), NS  
No 36 (38.3) 297 (45.3) 333 (44.4) 0.047
Unknown 27 (28.7) 168 (25.6) 195 (26)  
Psychotherapy Yes 22 (23.4) 54 (8.2) 76 (10.1) 28.665 (2), < 0.001  
No 39 (41.5) 430 (65.5) 469 (62.5) 0.195
Unknown 33 (35.1) 172 (26.2) 205 (27.3)  
Any Antidepressant Yes 31 (33) 94 (14.3) 125 (16.7) 25.626 (2), < 0.001  
No 39 (41.5) 428 (65.2) 467 (62.3) 0.185
Unknown 24 (25.5) 134 (20.4) 158 (21.1)  
Any Antipsychotic Yes 39 (41.5) 102 (15.5) 141 (18.8) 39.286 (2), < 0.001  
No 35 (37.2) 421 (64.2) 456 (60.8) 0.229
Unknown 20 (21.3) 133 (20.3) 153 (20.4)  
Any Stimulant or Atomoxetine Yes 20 (21.3) 110 (16.8) 130 (17.3) 5.644 (2), 0.059  
No 47 (50) 411 (62.7) 458 (61.1) 0.087
Unknown 27 (28.7) 135 (20.6) 162 (21.6)  
Any Other Psychiatric Medication Yes 45 (47.9) 146 (22.3) 191 (25.5) 30.992 (2), < 0.001  
No 32 (34) 394 (60.1) 426 (56.8) 0.203
Unknown 17 (18.1) 116 (17.7) 133 (17.7)  
  1. No Reported SI includes either “No” or “Don’t Know” responses; it does not include subjects who did not respond. Bold cells are those significant by post hoc test. Unknown includes both “don’t know” answers and blank/unavailable data. Cramer’s V: Measure of Association (Effect size ranging 0 to 1)