Table 4 Adjusted odds ratio (OR), 95% confidence intervals (CI), and p-values of suicide risk according to ever a discharge diagnosis in each category

Certain infectious, and parasitic diseases (A00-B99)

1.28 (0.49 – 3.31)

0.61

0.61 (0.22 – 1.73)

0.36

Endocrine, nutritional, and metabolic diseases (E00-E90)

3.14 (0.85 – 11.54)

0.09

1.60 (0.36 – 6.50)

0.51

Mental, and behavioural disorders (F00-F99)

7.70 (4.43 – 13.38)

<0.001

3.08 (1.61 – 5.88)

0.001

Mental, and behavioural disorders due to psychoactive substance use (F10-F19)

8.02 (4.07 – 15.83)

<0.001

2.78 (1.09 – 6.20)

0.013

Mental and behavioural disorders not due to psychoactive substance use (F other than F10-F19)

7.60 (3.31 – 17.43)

<0.001

3.42 (1.34 – 8.72)

0.01

Diseases of the nervous system (G00-G99)

1.10 (0.33 – 3.69)

0.88

0.54 (0.14 – 2.11)

0.38

Diseases of the eye, and adnexa (H00-H59)

1.81 (0.74 – 4.41)

0.19

1.51 (0.60 – 3.83)

0.39

Diseases of the ear, and mastoid process (H60-H95)

4.13 (1.57 – 10.91)

0.004

2.04 (0.65 – 6.41)

0.22

Diseases of the circulatory system (I00-I99)

1.16 (0.58 – 2.32)

0.68

0.44 (0.20 – 0.98)

0.044

Diseases of the respiratory system (J00-J99)

2.27 (1.19 – 4.36)

0.013

1.27 (0.61 – 2.64)

0.53

Diseases of the digestive system (K00-K93)

1.57 (0.79 – 3.14)

0.20

0.70 (0.32 – 1.51)

0.36

Diseases of the skin, and subcutaneous tissue (L00-L99)

2.55 (1.49 – 4.36)

0.001

1.53 (0.84 – 2.78)

0.17

Infections of the skin, and subcutaneous tissue (L00-L08)

2.09 (1.14 – 3.83)

0.017

1.31 (0.67 – 2.56)

0.43

Diseases of the musculoskeletal system and connective tissue (M00-M99)

2.06 (1.39 – 3.07)

<0.001

1.23 (0.79 – 1.92)

0.36

Dorsalgia (M54)

2.50 (1.23 – 5.12)

0.012

1.62 (0.74 – 3.53)

0.23

Diseases of the genitourinary system (N00-N99)

1.07 (0.45 – 2.53)

0.88

0.89 (0.37 – 2.15)

0.79

Symptoms, signs, and abnormal clinical and laboratory findings (R00-99)

2.87 (1.99 – 4.15)

<0.001

1.60 (1.06 – 2.43)

0.027

Pain in throat, and chest (R07)

2.43 (1.26 – 4.70)

0.008

1.00 (0.46 – 2.17)

1.0

Abdominal, and pelvic pain (R10)

2.46 (1.30 – 4.64)

0.005

1.37 (0.69 – 2.74)

0.37

General symptoms, and signs (R50-R69)

3.23 (1.89 – 5.52)

<0.001

1.60 (0.88 – 2.93)

0.12

Injury, poisoning, and certain other consequences of external causes (S00-T98)

1.24 (0.86 – 1.79)

0.24

0.84 (0.56 – 1.24)

0.37

Injury to certain body regions (S00-S99)

1.12 (0.78 – 1.59)

0.55

0.75 (0.52 – 1.10)

0.14

Superficial injury to head (S00)

2.72 (1.40 – 5.29)

0.003

1.71 (0.82 – 3.56)

0.16

Open wound of head (S01)

2.34 (1.38 – 3.98)

0.002

1.43 (0.80 – 2.58)

0.23

Fracture of skull and facial bones (S02)

4.35 (1.28 – 14.83)

0.019

2.80 (0.68 – 11.59)

0.16

Fracture of ribs (S22.3)

2.43 (1.18 – 5.00)

0.016

1.61 (0.73 – 3.55)

0.24

Injuries to multiple body regions, burns, poisonings, and toxic effects (T00-T98)

2.52 (1.60 – 3.97)

<0.001

1.41 (0.85 – 2.33)

0.18

Poisoning by drugs, medicaments and biological substances (T36-T50)

12.89 (4.81 – 34.52)

<0.001

5.08 (1.69 – 15.25)

0.004

Factors influencing health status and contact with health services (Z00-Z99)

1.27 (0.62 – 2.60)

0.52

0.57 (0.26 – 1.25)

0.16

Procedure not carried out because of patient’s decision for other and unspecified reason (Z53.2)

1.33 (0.51-3.45)

0.56

0.59 (0.19-1.60)

0.28

Ever discharged without diagnosis

1.60 (1.07 – 2.40)

0.022

0.73 (0.45 – 1.18)

0.20