Table 1 Clinical and radiological parameters in the subgroups of pneumonia severity, as assessed by AI.

Number

33

73

274

Age, yr

64.2 (14.4)^C

65.0 (11.2)^C

59.1 (12.7)^M,Mo

Female, n (%)

12 (36.4%)

29 (39.7%)

104 (37.9%)

Radiological parameters

AIV, cm³

45.78 (13.62–94.42)^Mo,C

333.42 (231.40-540.48)^M,C

1130.43 (686.28-1708.29)^M,Mo

AGV, cm³

41.93 (12.75–89.86)^Mo,C

289.43 (182.16-455.61)^M,C

879.63 (523.38-1317.99)^M,Mo

ACV, cm³

2.73 (0.94–9.19)^Mo,C

36.41 (25.19–73.83)^M,C

196.19 (123.43-329.54)^M,Mo

PIV, %

1.00 (0.38–1.91)^Mo,C

7.30 (5.04–10.53)^M,C

27.90 (18.28–43.13)^M,Mo

PGV, %

0.77 (0.37–1.68)^Mo,C

6.53 (3.91–9.57)^M,C

22.30 (14.75–35.09)^M,Mo

PCV, %

0.05 (0.01–0.20)^Mo,C

0.84 (0.51–1.55)^M,C

5.28 (3.01–9.51)^M,Mo

Parameters on admission

Respiratory rate, /min

16 (14–18)

16 (13–18)

16 (15–18)

Oxygen saturation, %

96 (91–97)^C

94 (89–95)^C

89 (85–92)^M,Mo

CRP, mg/l

38.7 (16.9–69.4)^C

47.1 (22.9–88.9)^C

82.5 (47.4–139)^M,Mo

IL6, pg/ml

16.7 (11.2–46.2)

29.5 (12.2–55.9)

39.5 (13.9–69.8)

IG, 10^3/µl

0.02 (0.01–0.05)

0.03 (0.02–0.04)

0.03 (0.02–0.06)

WBC, 10^3/µl

4.92 (4.09–7.52)

5.70 (3.93–6.93)

5.67 (4.43–8.07)

Neutrophil count, 10^3/µl

3.29 (2.42–5.02)

3.84 (2.51–5.84)

4.48 (3.16–6.83)

Lymphocyte count, 10^3/µl

1.01 (0.73–1.35)^C

0.87 (0.64–1.17)

0.73 (0.58–1.05)^M

Ferritin, µg/l

498 (235–995)

531 (253–878)^C

814 (517–1325)^Mo

LDH, U/l

275 (232–353)^C

289 (237–359)^C

386 (316–519)^M,Mo

NIH score, 0–4

2 (1–2)^C

2 (2–3)^C

3 (2–3)^M,Mo

Clinical course

In hospital death, n (%)

0

7 (9.6%)

22 (8.0%)

Transfer to the ICU, n (%)

0

5 (6.8%)

27 (9.9%)

Length of hospital stay, days

14 (10–21)^Mo

10 (8–15)^M,C

12 (9–17)^Mo