Table 2 The numbers of reimbursed days of sickness absence among individuals with neurofibromatosis 1 (NF1) and matched controls.

From: The contribution of morbidity and unemployment for the reduced labor market participation of individuals with neurofibromatosis 1 in Finland

ICD-10 chapter (ICD-10 codes)

Number of individuals with sickness allowance in the NF1 cohort of 850 individuals, n (%)

Number of individuals with sickness allowance in the control cohort of 9423 individuals, n (%)

Number of reimbursed days of sickness out of the total of 66,065 days in the NF1 cohort, n (%)

Number of reimbursed days of sickness out of the total of 458,436 days in the control cohort, n (%)

The counts of reimbursed days of sickness in NF1 vs. control cohort, RR (95% CI)

Certain infectious and parasitic diseases (A00-B99)

9 (1.1)

109 (1.2)

60 (0.1)

2182 (0.5)

0.34 (0.26–0.44)

Neoplasms (C00-D48)

99 (11.6)

284 (3.0)

13,336 (20.2)

28,097 (6.1)

7.41 (7.25–7.57)

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

4 (0.5)

12 (0.1)

236 (0.4)

378 (0.1)

11.45 (9.56–13.7)

Endocrine, nutritional and metabolic diseases (E00-E90)

14 (1.6)

70 (0.7)

652 (1.0)

3969 (0.9)

1.91 (1.75–2.07)

Mental and behavioral disorders (F00-F99)

112 (13.2)

1089 (11.6)

11,300 (17.1)

110,391 (24.1)

1.29 (1.26–1.31)

Diseases of the nervous system (G00-G99)

35 (4.1)

297 (3.2)

3205 (4.9)

19,051 (4.2)

2.08 (2.00–2.16)

Diseases of the eye and adnexa, ear and the mastoid process (H00-H95)

14 (1.6)

119 (1.3)

210 (0.3)

3892 (0.8)

0.58 (0.50–0.67)

Diseases of the circulatory system (I00-I99)

31 (3.6)

302 (3.2)

3311 (5.0)

19,254 (4.2)

2.28 (2.19–2.37)

Diseases of the respiratory system (J00-J99)

30 (3.5)

426 (4.5)

569 (0.9)

8175 (1.8)

0.92 (0.85–1.00)

Diseases of the digestive system (K00-K93)

30 (3.5)

379 (4.0)

890 (1.3)

9624 (2.1)

1.13 (1.05–1.21)

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

8 (0.9)

100 (1.1)

136 (0.2)

3318 (0.7)

0.53 (0.44–0.63)

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

134 (15.8)

1575 (16.7)

11,177 (16.9)

140,979 (30.8)

1.04 (1.02–1.06)

Diseases of the genitourinary system (N00-N99)

16 (1.9)

201 (2.1)

235 (0.4)

4467 (1.0)

0.63 (0.55–0.72)

Pregnancy, childbirth and the puerperium (O00-O99)

24 (2.8)

292 (3.1)

960 (1.5)

8940 (2.0)

1.28 (1.20–1.37)

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

124 (14.6)

18 (0.2)

11,323 (17.1)

1024 (0.2)

462 (425–504)

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

20 (2.4)

187 (2.0)

1065 (1.6)

5080 (1.1)

2.84 (2.65–3.04)

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

72 (8.5)

1067 (11.3)

3500 (5.3)

53,735 (11.7)

0.79 (0.77–0.82)

  1. CI confidence interval, ICD-10 International Classification of Diseases, 10th edition, RR rate ratio.