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. 2023 Jun 30;14:1209705. doi: 10.3389/fmicb.2023.1209705

Table 1.

Characteristics between IPA and non-IPA patients with severe fever with thrombocytopenia syndrome.

Factors Total (n = 189) Non-IPA (n = 150) IPA (n = 39) P-value
Demographics
Age, years 63.16 ± 11.38 62.53 ± 12.09 65.59 ± 7.78 0.057
Male, n (%) 100 (52.9) 74 (49.3) 26 (66.7) 0.053
Dead, n (%) 57 (30.2) 36 (24.0) 21 (53.8) 0.000
aCCI 3.0 (2.0–4.0) 3.0 (2.0–4.0) 4.0 (3.0–4.0) 0.032
Smoking history, n (%)
Current smoking 40 (21.2) 22 (14.7) 18 (46.2) 0.000
Past smoking 6 (3.2) 4 (2.7) 2 (5.1)
Never smoking 143 (75.7) 124 (82.7) 19 (48.7)
Alcohol consumption, n (%) 38 (20.1) 22 (14.7) 16 (41.0) 0.000
Clinical manifestation
Cough, n (%) 72 (38.1) 49 (32.7) 23 (59.0) 0.003
Dyspnea, n (%) 44 (23.3) 29 (19.3) 15 (38.5) 0.012
Laboratory parameters
RNA load (lg copies/mL) 6.32 (5.96–6.61) 6.32 (5.95–6.38) 6.48 (6.07–7.16) 0.019
WBC count (× 109/L) 3.14 (1.58–6.02) 2.94 (1.59–5.74) 4.31 (1.55–7.16) 0.217
Neutrophil count (× 109/L) 2.01 (0.96–4.31) 1.86 (0.94–4.23) 2.80 (1.11–4.97) 0.286
Lymphocyte count (× 109/L) 0.66 (0.42–1.24) 0.65 (0.41–1.19) 0.8 (0.45–1.40) 0.386
Monocyte count (× 109/L) 0.14 (0.08–0.35) 0.15 (0.08–0.34) 0.12 (0.07–0.42) 0.894
Hemoglobin (g/L) 131.82 ± 22.22 130.35 ± 22.14 137.46 ± 21.90 0.077
Platelet count (× 109/L) 39.00 (28.00–55.00) 39.00 (27.00–55.25) 39.00 (29.00–53.00) 0.589
CD3+CD4+ cells (/μL) 191.50 (123.00–312.50) 198.00 (121.50–343.75) 183.50 (122.25–232.00) 0.285
CD3+CD8+ cells (/μL) 206.00 (116.25–447.25) 213.00 (112.75–519.00) 179.50 (111.00–342.50) 0.539
CD3CD19+ (/μL) 155.50 (61.00–279.50) 148.50 (58.00–292.00) 175.00 (119.25–269.00) 0.601
CD3CD56+ (/μL) 124.50 (75.25–206.00) 124.50 (79.50–206.00) 115.00 (69.25–268.00) 0.844
CD3+CD56+ (/μL) 13.95 (12.14–33.21) 13.95 (13.19–26.47) 17.08 (7.63–49.26) 0.873
CD3+CD69+ (/μL) 45.83 (28.51–80.02) 41.15 (25.12–145.75) 49.56 (29.56–62.00) 0.690
CD3+CD25+ (/μL) 58.37 (27.40–106.64) 60.64 (27.51–131.08) 50.30 (26.68–74.69) 0.328
CD3+HLADR+ (/μL) 158.28 (86.38–299.52) 156.58 (84.69–313.78) 159.97 (88.22–294.77) 0.847
FERR (ng/mL) 8,577.15 (1,536.93–15,000.00) 6,962.55 (1,500.00–15,000.00) 15,000.00 (6,665.37–18,187.50) 0.001
PCT (ng/mL) 0.27 (0.13–0.55) 0.23 (0.12–0.54) 0.35 (0.21–0.76) 0.022
IL-6 (ng/mL) 0.05 (0.02–0.12) 0.02 (0.01–0.09) 0.10 (0.05–0.18) 0.001
PT (s) 12.20 (11.50–13.00) 12.20 (11.50–13.00) 12.10 (11.60–12.90) 0.996
APTT (s) 45.30 (38.90–56.33) 44.20 (38.35–53.55) 49.00 (42.40–63.30) 0.026
D-Dimer (mg/L) 2.59 (1.31–7.79) 2.54 (1.24–6.58) 2.70 (1.65–9.39) 0.593
ALT (U/L) 111.05 (60.70–168.78) 102.90 (61.25–162.10) 129.90 (60.60–172.20) 0.469
AST (U/L) 318.60 (165.75–544.68) 298.20 (152.45–506.15) 365.10 (232.00–650.70) 0.059
ALP (U/L) 74.00 (55.85–114.98) 71.00 (54.00–112.00) 87.00 (60.50–132.95) 0.159
GGT (U/L) 68.30 (28.50–144.30) 65.85 (27.35–135.00) 81.00 (42.85–225.10) 0.100
LDH (U/L) 1,107.00 (675.50–1,749.00) 989.00 (599.00–1,544.00) 1,489.00 (1,040.00–2,643.50) 0.001
ADA (U/L) 41.40 (27.78–63.53) 39.80 (27.83–62.98) 47.55 (27.30–69.58) 0.307
Albumin (g/L) 30.35 ± 4.81 30.49 ± 4.88 29.83 ± 4.58 0.446
BUN (mmol/L) 5.91 (4.33–8.15) 5.42 (4.05–7.62) 7.70 (5.48–11.69) 0.000
Creatinine (μmol/L) 68.00 (56.83–89.88) 65.90 (53.90–87.40) 88.10 (66.60–125.10) 0.000
Pro-BNP (pg/mL) 973.10 (386.60–4,024.00) 924.70 (300.90–4,091.50) 1,121.00 (703.45–4,221.65) 0.090
FT3 (pmol/L) 2.22 ± 0.86 2.28 ± 0.91 1.90 ± 0.46 0.064
FT4 (pmol/L) 12.34 (10.89–15.53) 12.85 (11.03–15.95) 10.81 (8.85–13.64) 0.043
TSH (mIU/L) 0.72 (0.29–2.21) 1.10 (0.38–2.38) 0.35 (0.11–0.68) 0.019
Additional factors
MODS, n (%) 62 (32.8) 35 (23.3) 27 (69.2) 0.000
ICU admission, n (%) 58 (30.7) 29 (19.3) 29 (74.4) 0.000
Machined ventilation, n (%) 30 (15.9) 15 (10.0) 15 (38.5) 0.000
Treatment
Broad-spectrum antibiotic therapy, n (%) 50 (26.5) 24 (16.0) 26 (66.7) 0.000
Corticosteroid use, n (%) 98 (51.9) 68 (45.3) 30 (76.9) 0.000
< 1 mg/kg 67 (35.4) 54 (36.0) 13 (33.3) 0.000
≥1 mg/kg 31 (16.4) 14 (9.3) 17 (43.6)
≤ 5 d 59 (31.2) 42 (28.0) 17 (43.6) 0.002
>5 d 39 (20.6) 26 (17.3) 13 (33.3)
Never 91 (48.1) 82 (54.7) 9 (23.1)