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Table 1 Baseline characteristics and risk factors

From: Factors associated with death, hospitalization, resignation, and sick leave from work among patients with schizophrenia in Japan: a nested case–control study using a large claims database

(a) Death

 

Case

(n = 144)

Control

(n = 504)

Baseline characteristics

 Age (years), mean ± SD

42.0 ± 14.0

42.0 ± 13.7

 Sex (male)

87 (60.4%)

311 (61.7%)

 Follow-up period (month), median (IQR)

6.0 (3.0, 20.5)

5.0 (3.0, 15.0)

Risk factors

 Hospitalization (in 6 months)

24 (16.7%)

55 (10.9%)

 Depression

43 (29.9%)

116 (23.0%)

 CCI score, mean ± SD

2.3 ± 3.0

0.6 ± 1.2

 Hypnotics prescription

93 (64.6%)

252 (50.0%)

 Benzodiazepines prescription

98 (68.1%)

299 (59.3%)

 Sedatives prescription

108 (75.0%)

324 (64.3%)

 Laxatives prescription

60 (41.7%)

73 (14.5%)

 Anticholinergics prescription

19 (13.2%)

60 (11.9%)

 Antidiabetics prescription

17 (11.8%)

33 (6.5%)

 Antihypertensives prescription

46 (31.9%)

90 (17.9%)

 Antidyslipidemics prescription

8 (5.6%)

56 (11.1%)

(b) Hospitalization

 

Case

(n = 1,520)

Control

(n = 5,432)

Baseline characteristics

 Age (years), mean ± SD

29.2 ± 14.6

28.9 ± 14.7

 Sex (male)

636 (41.8%)

2278 (41.9%)

 Follow-up period (month), median (IQR)

6.0 (3.0, 19.0)

5.0 (2.0, 15.0)

Risk factors

 Depression

433 (28.5%)

1179 (21.7%)

 CCI score, mean ± SD

0.4 ± 0.9

0.3 ± 0.8

 Hypnotics prescription

1093 (71.9%)

2144 (39.5%)

 Benzodiazepines prescription

1148 (75.5%)

2769 (51.0%)

 Sedatives prescription

1227 (80.7%)

3035 (55.9%)

 Laxatives prescription

452 (29.7%)

358 (6.6%)

 Anticholinergics prescription

368 (24.2%)

524 (9.6%)

 Antidiabetics prescription

35 (2.3%)

103 (1.9%)

 Antihypertensives prescription

161 (10.6%)

406 (7.5%)

 Antidyslipidemics prescription

67 (4.4%)

224 (4.1%)

(c) Resignation

 

Case

(n = 811)

Control

(n = 2,866)

Baseline characteristics

 Age (years), mean ± SD

33.6 ± 10.3

33.5 ± 10.0

 Sex (male)

563 (69.4%)

2060 (71.9%)

 Follow-up period (month), median (IQR)

5.0 (3.0, 15.0)

5.0 (2.0, 12.0)

Risk factors

 Depression

238 (29.3%)

860 (30.0%)

 CCI score, mean ± SD

0.4 ± 0.9

0.3 ± 0.8

 Hypnotics prescription

455 (56.1%)

1424 (49.7%)

 Benzodiazepines prescription

542 (66.8%)

1807 (63.1%)

 Sedatives prescription

567 (69.9%)

1916 (66.9%)

 Laxatives prescription

73 (9.0%)

206 (7.2%)

 Anticholinergics prescription

120 (14.8%)

289 (10.1%)

 Antidiabetics prescription

23 (2.8%)

63 (2.2%)

 Antihypertensives prescription

66 (8.1%)

210 (7.3%)

 Antidyslipidemics prescription

38 (4.7%)

143 (5.0%)

(d) Sick leave from work

 

Case

(n = 4,590)

Control

(n = 17,027)

Baseline characteristics

 Age (years), mean ± SD

36.3 ± 10.8

36.3 ± 10.8

 Sex (male)

3227 (70.3%)

12,094 (71.0%)

 Follow-up period (month), median (IQR)

3.0 (2.0, 5.0)

3.0 (2.0, 5.0)

Risk factors

 Depression

1733 (37.8%)

4776 (28.1%)

 CCI score, mean ± SD

0.6 ± 1.2

0.4 ± 0.9

 Hypnotics prescription

3083 (67.2%)

8100 (47.6%)

 Benzodiazepines prescription

3450 (75.2%)

10,401 (61.1%)

 Sedatives prescription

3673 (80.0%)

11,160 (65.5%)

 Laxatives prescription

713 (15.5%)

1295 (7.6%)

 Anticholinergics prescription

541 (11.8%)

1581 (9.3%)

 Antidiabetics prescription

199 (4.3%)

440 (2.6%)

 Antihypertensives prescription

634 (13.8%)

1796 (10.5%)

 Antidyslipidemics prescription

282 (6.1%)

958 (5.6%)

  1. Data are presented as number (%) of patients unless otherwise indicated
  2. CCI Charlson Comorbidities Index, IQR Interquartile range, SD Standard deviation