Indicator

Total

Level 1

Level 2

p

Gender; % M, no. of W/M

4558/7597

(62.5)

1392/1901

(57.7)

3166/5696

(64.3)

<0.001

Age [years]

65.4 ± 3.5

66.4 ± 4.3

64.4 ± 2.0

0.005

Patients > 65 years old

7156 (58%)

2043 (62%)

4937 (55.7%)

0.018

Patients > 80 years old

2571 (21.2%)

785 (23.9%)

1638 (18.5%)

0.049

Diseases of the respiratory system (ICD-10 code “J”)

4186 (34.4%)

1331 (40.4%)

2855 (32.2%)

0.172

diseases of the circulatory system (ICD-10 code “I”)

1890 (15.6%)

411 (12.5%)

1479 (16.7%)

0.223

Injury, poisoning or others (ICD-10 code “S-T”)

415 (3.4%)

105 (3.2%)

310 (3.5%)

0.419

Abnormal clinical and lab findings (ICD-10 code “R”)

667 (5.5%)

189 (5.7%)

478 (5.4%)

0.392

Other diagnosis (different ICD-10 code “A-H, K-O, Q, V-Z”)

4997 (41.1%)

1257 (38.2%)

3740 (42.2%)

0.317

Admission from outside the Mazovian district

1495 (12.3%)

238 (7.2%)

1257 (14.2%)

<0.001