Table 2 Hospitalization events by ICD-10 chapter among Ukrainian war refugees and migrants (in total) in the period before (01.01.2014–23.02.2022) and after (24.02.2022–31.12.2022) the outbreak of the war

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

1

1646

26.1

[25.1–27.2]

4

628

9.3

[8.6–10.0]

↓ 2.8

 < 0.001

Pregnancy, childbirth and the puerperium (O00-O99)

2

1159

18.4

[17.5–19.4]

1

1005

14.9

[14.1–15.8]

↓ 1.2

 < 0.001

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

3

530

8.4

[7.7–9.1]

6

495

7.4

[6.7–8.0]

↓ 1.1

0.025

Neoplasms (C00-D48)

4

395

6.3

[5.7–6.9]

5

539

8.0

[7.4–8.7]

↑ 1.3

 < 0.001

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

5

381

6.1

[5.5–6.6]

2

798

11.9

[11.1–12.6]

↑ 2.0

 < 0.001

Diseases of the genitourinary system (N00-N99)

6

376

6.0

[5.4–6.6]

8

329

4.9

[4.4–5.4]

↓ 1.2

0.006

Diseases of the circulatory system (I00-I99)

7

362

5.7

[5.2–6.3]

10

275

4.1

[3,6–4.6]

↓ 1.4

 < 0.001

Diseases of the digestive system (K00-K93)

8

289

4.6

[4.1–5.1]

9

276

4.1

[3,6–4.6]

↓ 1.1

NS

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

9

200

3.2

[2.7–3.6]

18

86

1.3

[1.0–1.5]

↓ 2.5

 < 0.001

Certain conditions originating in the perinatal period (P00-P96)

10

160

2.5

[2.2–2.9]

14

123

1.8

[1.5–2.1]

↓ 1.4

0.005

Diseases of the respiratory system (J00-J99)

11

145

2.3

[1.9–2.7]

7

464

6.9

[6.3–7.5]

↑ 3.0

 < 0.001

Diseases of the nervous system (G00-G99)

12

141

2.2

[1.9–2.6]

17

112

1.7

[1.4–2.0]

↓ 1.3

0.018

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

13

103

1.6

[1.3–1.9]

16

113

1.7

[1.4–2.0]

↑1.0

NS

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

14

101

1.6

[1.3–1.9]

15

120

1.8

[1.5–2.1]

↑ 1.1

NS

Endocrine, nutritional and metabolic diseases (E00-E90)

15

83

1.3

[1.0–1.6]

11

242

3.6

[3.2–4.0]

↑ 2.7

 < 0.001

Certain infectious and parasitic diseases (A00-B99)

16

61

1.0

[0.7–1.2]

3

740

11.0

[10.3–11.7]

↑ 11.4

 < 0.001

Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

17

50

0.8

[0.6–1.0]

20

43

0.6

[0.4–0.8]

↓ 1.2

NS

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

18

45

0.7

[0.5–0.9]

19

59

0.9

[0.7–1.1]

↑ 1.2

NS

Codes for special purposes (U00-U85)

19

44

0.7

[0.5–0.9]

12

149

2.2

[1.9–2.6]

↑ 3.2

 < 0.001

Diseases of the eye and adnexa (H00-H59)

20

25

0.4

[0.2–0.6]

13

132

2.0

[1.6–2.3]

↑ 4.9

 < 0.001

TOTAL

6296

100

6728

100