Clinical Study

Risk of Mortality (including Sudden Cardiac Death) and Major Cardiovascular Events in Users of Olanzapine and Other Antipsychotics: A Study with the General Practice Research Database

Table 2

Baseline characteristics of the patients exposed to antipsychotics and unexposed diseased patients.

Characteristic
Exposed to antipsychotics
(N = 183,392)
Typical antipsychotics
(N = 115,491)
Atypical antipsychotics
(N= 67,901)
Olanzapine
(N = 20,954)
Psychiatric nonuser
(N = 193,920)

Prevalent users67,396 (36.7%)40,258 (34.9%)27,138 (40.0%)9016 (43.0%)0 (0.0%)
Female107,226 (58.5%)69,426 (60.1%)37,800 (55.7%)10,296 (49.1%)132,458 (68.3%)
Male76,166 (41.5%)46,065 (39.9%)30,101 (44.3%)10,658 (50.9%)61,462 (31.7%)
Age: mean (sd)60 (22)61 (21)58 (23)49 (20)52 (22)
Age: median (IQR)62 (41–80)64 (44–80)58 (38–81)45 (33–64)48 (33–75)
Age 18–2918,474 (10.1%)9,180 (7.9%)9,294 (13.7%)3759 (17.9%)34,559 (17.8%)
Age 30–3923,484 (12.8%)13,747 (11.9%)9,737 (14.3%)4237 (20.2%)38,574 (19.9%)
Age 40–4923,793 (13.0%)14,554 (12.6%)9,239 (13.6%)3953 (18.9%)28,555 (14.7%)
Age 50–5921,244 (11.6%)14,627 (12.7%)6,617 (9.7%)2806 (13.4%)21,302 (11.0%)
Age 60–6919,923 (10.9%)14,461 (12.5%)5,462 (8.0%)1,992 (9.5%)13,831 (7.1%)
Age 70–7928,088 (15.3%)18,881 (16.3%)9,207 (13.6%)1,948 (9.3%)21,194 (10.9%)
Age 80+48,386 (26.4%)30,041 (26.0%)18,345 (27.0%)2,259 (10.8%)35,905 (18.5%)
BMI: mean (sd)26 (6)26 (5)26 (6)26 (5)26 (6)
Nonsmoker69,482 (37.9%)44,035 (38.1%)25,447 (37.5%)6,771 (32.3%)80,061 (41.3%)
Exsmoker29,719 (16.2%)17,638 (15.3%)12,081 (17.8%)2,877 (13.7%)39,550 (20.4%)
Smoker51,938 (28.3%)31,361 (27.2%)20,577 (30.3%)8,350 (39.8%)57,004 (29.4%)
Unknown status32,253 (17.6%)22,457 (19.4%)9,796 (14.4%)2,956 (14.1%)17,305 (8.9%)
Hx alcoholism or drug abuse19,933 (10.9%)11,429 (9.9%)8,504 (12.5%)3,544 (16.9%)12,572 (6.5%)
Hx suicide attempts10,777 (5.9%)5,762 (5.0%)5,015 (7.4%)2,015 (9.6%)8,841 (4.6%)
Schizophrenia15,475 (8.4%)6,746 (5.8%)8,729 (12.9%)3,750 (17.9%)7,779 (4.0%)
Bipolar/other mood disorders7,368 (4.0%)3,170 (2.7%)4,198 (6.2%)2,008 (9.6%)4,700 (2.4%)
Major depression19,981 (10.9%)11,680 (10.1%)8,301 (12.2%)3,343 (16.0%)134,105 (69.2%)
Dementia25,174 (13.7%)12,669 (11.0%)12,505 (18.4%)1,291 (6.2%)47,336 (24.4%)
No recorded psychiatric disorders115,394 (62.9%)81,226 (70.3%)34,168 (50.3%)10,562 (50.4%)0 (0.0%)
Diabetes15,276 (8.3%)9,480 (8.2%)5,796 (8.5%)1,047 (5.0%)13,639 (7.0%)
Acute MI6,530 (3.6%)4,224 (3.7%)2,306 (3.4%)380 (1.8%)5,466 (2.8%)
Statins/fibrates in previous 3 mo.16,203 (8.8%)8,406 (7.3%)7,797 (11.5%)1,464 (7.0%)18,124 (9.3%)
Antiplatelets32,260 (17.6%)18,900 (16.4%)13,360 (19.7%)2,096 (10.0%)25,397 (13.1%)
Antidepressants83,595 (45.6%)49,545 (42.9%)34,050 (50.1%)11,487 (54.8%)126,688 (65.3%)
Anxiolytics27,389 (14.9%)15,637 (13.5%)11,752 (17.3%)3,898 (18.6%)12,907 (6.7%)
SSRIs44,428 (24.2%)24,330 (21.1%)20,098 (29.6%)6,757 (32.2%)98,373 (50.7%)
Lithium5,122 (2.8%)2,851 (2.5%)2,271 (3.3%)1,053 (5.0%)1,743 (0.9%)
Antiepileptics10,090 (5.5%)5,853 (5.1%)4,237 (6.2%)1,287 (6.1%)3,817 (2.0%)