Characteristics and Clinical Course of Adult Inpatients with SARS-CoV-2 Pneumonia at High Altitude
Table 2
Laboratory and radiographic findings of the study population on admission to hospital.
Total (n = 377)
Survivor (n = 292)
Nonsurvivor (n = 85)
Laboratory findings
White blood cell count, ×109/L
7.545 (5.510–10.035)
7.140 (5.380–9.540)
8.550 (6.235–12.075)
<4
24/376 (6.4)
21/291 (7.2)
3/85 (3.5)
4 to 10
257/376 (68.4)
205/291 (70.4)
52/85 (61.2)
>10
95/376 (25.3)
65/291 (22.3)
30/85 (35.3)
Lymphocyte count, ×109/L
1.105 (0.803–1.468)
1.150 (0.890–1.520)
0.810 (0.560–1.250)
<1
156/376 (41.5)
102/291 (35.1)
54/85 (63.5)
≥1
220/376 (58.5)
189/291 (64.9)
31/85 (36.5)
Hemoglobin, mg/dL
14.8 ± 2.0
14.9 ± 1.8
14.5 ± 2.6
<12.5
38/376 (10.1)
20/291 (6.9)
18/85 (21.2)
≥12.5
338/376 (89.9)
271/291 (93.1)
67/85 (78.8)
Platelet count, ×109/L
218.000 (177.000–274.750)
225.000 (179.000–281.000)
196.000 (159.000–251.500)
<100
9/376 (2.4)
7/291 (2.4)
2/85 (2.4)
≥100
367/376 (97.6)
284/291 (97.6)
83/85 (97.6)
Lactate dehydrogenase, U/L
344.0 (266.5–462.0)
325.0 (258.0–414.5)
458.0 (310.0–646.0)
≤250
70/365 (19.2)
63/282 (22.3)
7/83 (8.4)
>250
295/365 (80.8)
219/282 (77.7)
76/83 (91.6)
Ferritin, ng/mL
854.0 (472.0–1500.0)
768.5 (470.8–1406.5)
1131.0 (512.5–1942.5)
<600
112/315 (35.6)
90/238 (37.8)
22/77 (28.6)
≥600
203/315 (64.4)
148/238 (62.2)
55/77 (71.4)
C-reactive protein, mg/L
112.3 (63.6–181.7)
101.3 (55.1–167.2)
143.8 (99.1–226.1)
<50
58/309 (18.8)
52/241 (21.6)
6/68 (8.8)
≥50
251/309 (81.2)
189/241 (78.4)
62/68 (91.2)
Procalcitonin, ng/mL
0.27 (0.11–0.93)
0.18 (0.09–0.59)
0.73 (0.25–1.84)
<0.1
15/70 (21.4)
14/48 (29.2)
1/22 (4.5)
0.1 to <0.5
28/70 (40.0)
20/48 (41.6)
8/22 (36.4)
≥0.5
27/70 (38.6)
14/48 (29.2)
13/22 (59.1)
D-dimer, mg/L
0.49 (0.28–0.93)
0.46 (0.27–0.90)
0.65 (0.37–1.14)
<0.5
184/364 (50.6)
156/283 (55.1)
28/81 (34.6)
0.5 to 1.0
101/364 (27.7)
71/283 (25.1)
30/81 (37.0)
>1.0
79/364 (21.7)
56/283 (19.8)
23/81 (28.4)
Creatinine, mg/dL
0.97 (0.79–1.21)
0.90 (0.76–1.12)
1.19 (0.96–1.58)
<1.5
314/363 (86.5)
254/278 (91.4)
60/85 (70.6)
≥1.5
49/363 (13.5)
24/278 (8.6)
25/85 (29.4)
Alanine aminotransferase, U/L
35.0 (22.0–58.5)
38.0 (22.8–61.0)
30.5 (18.3–51.8)
≤40
181/314 (57.6)
128/234 (54.7)
53/80 (66.3)
>40
133/314 (42.4)
106/234 (45.3)
27/80 (33.7)
Arterial pH
7.44 (7.42–7.46)
7.44 (7.42–7.47)
7.43 (7.4–7.46)
<7.40
37/370 (10.0)
19/286 (6.6)
18/84 (21.4)
7.40–7.47
277/370 (74.9)
221/286 (77.3)
56/84 (66.7)
>7.47
56/370 (15.1)
46/286 (16.1)
10/84 (11.9)
SpO2, %
90.5 (86.9–93.9)
91.0 (87.0–94.0)
90.0 (84.2–92.8)
<90
161/370 (38.4)
121/286 (42.3)
40/84 (47.6)
≥90
209/370 (61.6)
165/286 (57.7)
44/84 (52.4)
PaO2/FiO2 ratio
239.0 (198.0–270.0)
246.5 (213.8–274.0)
188.5 (152.5–239.8)
<100
18/370 (4.9)
5/286 (1.7)
13/84 (15.5)
100 to 199
77/370 (20.8)
44/286 (15.4)
33/84 (39.3)
200 to 299
236/370 (63.8)
204/286 (71.3)
32/84 (38.1)
≥300
39/370 (10.5)
33/286 (11.5)
6/84 (7.1)
Viral coinfection
4/63 (6.3)
3/34 (8.8)
1/29 (3.4)
Bacterial coinfection
10/109 (9.2)
5/65 (7.7)
5/44 (11.4)
Chest X-ray features
Normal
63/354 (17.8)
56/271 (20.7)
7/83 (8.4)
Compatible with pneumonia
257/354 (72.6)
187/271 (69.0)
70/83 (84.3)
Compatible with an alternative diagnosis
10/354 (2.8)
8/271 (2.9)
2/83 (2.4)
Nonspecific features
24/354 (6.8)
20/271 (7.4)
4/83 (4.8)
Chest CT features
Compatible with viral pneumonia
323/344 (93.9)
261/274 (95.3)
62/70 (88.6)
Compatible with an alternative diagnosis
15/344 (4.4)
11/274 (4.0)
4/70 (5.7)
Nonspecific features
6/344 (1.7)
2/274 (0.7)
4/70 (5.7)
Pulmonary embolism on CT pulmonary angiography
6/66 (1.6)
6/57 (2.1)
0/9 (0.0)
Data are presented as mean ± standard deviation, median (interquartile range), or n/N (%), where N is the total number of patients with available data.
