Table 2 Comparison of patients regarding respiratory support need

Demographics

 Ages ^a (years)

67.00 (58.0, 72.25)

72.00 (65.00, 75.00)

69.32 ± 11.56

64.50 (54.25, 71.00)

 < 0.001

 Male gender, n (%)

151 (65.65)

29 (72.50)

22 (64.71)

100 (64.10)

0.60

Comorbidities

 Catheter at 1st HD, n (%)

103 (44.78)

19 (47.50)

21 (61.76)

63 (40.38)

0.07

 Diabetes mellitus, n (%)

96 (41.74)

17 (42.50)

17 (50.00)

62 (39.74)

0.54

 IHD, n (%)

41 (17.83)

12 (30.00)

6 (17.65)

23 (14.74)

0.08

 Hypertension, n (%)

180 (78.26)

28 (70.00)

20 (58.82)

132 (84.62)

0.002

 CVA, n (%)

53 (23.04)

10 (25.00)

9 (26.47)

34 (21.79)

0.80

 COPD, n (%)

15 (6.52)

2 (5.00)

0 (0.00)

13 (8.30)

0.48

Laboratory Variables

 Hb ^a (g/L)

85.00 (70.00, 106.00)

85.08 ± 29.36

95.06 ± 38.61

87.19 ± 21.85

0.44

 WCC (× 10^9/L)

6.40 (4.74, 9.12)

8.36 (6.41, 12.34)

7.53 (5.78, 10.88)

5.71(4.52, 8.28)

 < 0.001

 Neutrophil (× 10^9/L)

5.22 (3.55, 8.10)

7.14 (5.12, 11.08)

5.86 (4.53, 9.73)

4.30 (3.01, 6.67)

 < 0.001

 Lymphocytes ^a (× 10^9/L)

0.64 (0.41, 0.92)

0.54 ± 0.31

0.61 (0.36, 0.94)

0.69 (0.46, 0.94)

0.008

 Monocytes ^a (× 10^9/L)

0.50 (0.31, 0.70)

0.54 ± 0.29

0.46 (0.29, 0.61)

0.52 (0.32, 0.70)

0.65

 NWR

0.83 (0.74, 0.92)

0.90 (0.83, 0.94)

0.85 (0.80, 0.94)

0.79 (0.71, 0.89)

 < 0.001

 LWR^a

0.10 (0.06, 0.16)

0.05 (0.03, 0.11)

0.10 ± 0.07

0.12 (0.07, 0.18)

 < 0.001

 MWR^a

0.07 (0.05, 0.10)

0.06 ± 0.04

0.06 (0.04, 0.08)

0.08 (0.06, 0.11)

 < 0.001

 NLR

7.81 (4.57, 15.34)

17.89 (7.51, 34.23)

10.42 (5.31, 23.79)

6.24 (3.90, 11.45)

 < 0.001

 MNR^a

0.09 (0.06, 0.14)

0.07 ± 0.05

0.07 (0.04, 0.11)

0.11 (0.07, 0.16)

 < 0.001

 MLR

0.74 (0.47, 1.25)

0.95 (0.55, 1.89)

0.69 (0.42, 1.40)

0.73 (0.49, 1.06)

0.71

 PMR

337.92 (209.52, 497.58)

331.72 (215.31, 491.74)

284.10(190.53,494.91)

346.92 (208.68, 505.00)

0.69

 PLR

242.91 (153.18, 420.13)

354.37 (195.28, 664.37)

216.99(118.69,449.53)

231.58 (152.77, 361.39)

0.02

 PNR^a

30.73 (19.05, 46.30)

25.70 ± 15.44

23.60 ± 13.88

35.64 (24.91, 50.57)

 < 0.001

 Albumin^a (g/L)

33.60 (30.00, 39.70)

32.39 ± 5.08

30.60 (27.65, 34.78)

34.63 ± 5.75

0.003

 Ferritin^a (ug/L)

433.10 (157.70, 997.50)

1000.26 ± 837.85

522.00(236.00,1112.80)

371.45 (146.70,801.08)

0.06

 Total cholesterol ^a (mmol/L)

3.45 ± 1.03

3.57 ± 0.78

3.06 ± 1.01

3.49 ± 1.06

0.14

 HDL ^a (mmol/L)

0.94 (0.76, 1.17)

1.01 ± 0.39

0.86 (0.77, 1.19)

0.95 (0.76, 1.15)

0.94

 LDL ^a (mmol/L)

1.80 (1.34, 2.36)

1.86 ± 0.68

1.72 ± 0.60

1.82 (1.31, 2.42)

0.55

 Triglycerides ^a (mmol/L)

1.47 (1.05, 2.21)

1.49 (1.19, 2.33)

1.55 ± 0.72

1.44 (1.04, 2.18)

0.77

 CRP ^a (mg/L)

61.92 (17.21, 138.03)

75.51 (32.90, 216.54)

165.01 ± 114.40

41.90 (14.52, 112.35)

 < 0.001

 TnT (pg/ml)

79.25 (36.43, 170.25)

73.33 (22.00, 246.75)

143.00 (60.48, 305.75)

76.25 (36.75, 138.20)

0.04

 ESR ^a

74.00 (43.75, 96.50)

88.00 (31.50, 102.50)

70.36 ± 32.40

69.71 ± 31.32

0.95

 PCT (ng/L)

1.81 (0.71, 6.25)

2.59 (1.09, 11.12)

8.54 (1.45, 31.40)

1.42 (0.55, 3.45)

 < 0.001

 PLT ^a (× 10^9/L)

155.50 (110.75, 218.75)

183.78 ± 97.18

146.50 ± 77.77

162.00 (112.00, 215.00)

0.22

 Phosphate ^a (mmol/L)

1.63 (1.30, 2.25)

1.98 ± 0.69

1.48 (1.30, 2.03)

1.62 (1.24, 2.27)

0.22

 Calcium (mmol/L)

1.93 (1.77, 2.10)

1.92 (1.53, 2.03)

1.93 (1.77, 2.05)

1.48 (0.89, 2.44)

0.30

 D-dimer (mg/L)

1.75 (1.00, 3.77)

2.48 (0.94, 5.26)

2.69 (1.74, 5.79)

1.48 (0.89, 2.44)

0.04

 EF (%)

57.56 (53.00, 65.00)

60.00 (54.00, 66.50)

62.00 (57.25, 66.00)

60.00 (53.00, 65.00)

0.52

 BNP, n (%)

97 (42.17)

19 (47.50)

11 (32.35)

67 (42.95)

0.40

 PTH (pg/ml)

244.20 (145.40, 411.91)

264.16 ± 189.24

203.97(111.24,537.24)

253.34 (147.44, 411.14)

0.78

 Creatinine ^a (umol/L)

696.80 (494.25, 989.50)

668.40 ± 395.30

620.97 ± 412.70

734.90(568.75,1045.33)

 < 0.001

Clinical course

 Use of hormone, n (%)

100 (43.48)

23 (57.50)

24 (70.59)

53 (33.97)

 < 0.001

 Use of antiviral, n (%)

67 (29.13)

10 (25.00)

12 (35.29)

45 (28.85)

0.62

 Use of ACEI or ARB, n (%)

54 (23.48)

11 (27.50)

3 (8.82)

40 (25.64)

0.09

 Use of anticoagulant, n (%)

38 (16.52)

10 (25.00)

7 (20.59)

21 (13.46)

 ICU Stay, n (%)

73 (31.74)

28 (70.00)

28 (82.35)

17 (10.90)

 < 0.001

 CT chest

 < 0.001

  Grade 1, n (%)

18 (7.83)

2 (5.00)

1 (2.94)

15 (9.62)

  Grade 2, n (%)

72 (31.30)

9 (22.50)

8 (23.53)

55 (35.26)

  Grade 3, n (%)

82 (35.65)

11 (27.50)

8 (23.53)

63 (40.38)

  Grade 4, n (%)

49 (21.30)

14 (35.00)

16 (47.06)

19 (12.18)

 Mortality, n (%)

66 (28.70)

17 (42.50)

17 (50.00)

32 (20.51)

 < 0.001