Table 1 Demographic and clinical characteristics of the study population.

From: Development and validation of a prognostic nomogram model for severe osteomyelitis patients

 

Survival (N = 1016)

Death (N = 137)

p

Age (years)

64.2 [54.9;72.8]

73.8 [65.1;81.7]

 < 0.001

Gender

  

0.866

 Female

390 (38.4%)

51 (37.2%)

 

 Male

626 (61.6%)

86 (62.8%)

 

BMI (kg/m2)

28.9 [24.3;34.1]

28.8 [24.3;34.7]

0.849

Weight (kg)

85.3 [69.8;103]

80.1 [64.2;97.0]

0.016

Race

  

0.910

 Other

332 (32.7%)

46 (33.6%)

 

 The white race

684 (67.3%)

91 (66.4%)

 

Marital status

  

0.023

 No

551 (54.2%)

89 (65.0%)

 

 Yes

465 (45.8%)

48 (35.0%)

 

Heart rate

84.0 [75.0;96.0]

87.0 [76.0;97.0]

0.057

SBP

117 [107;131]

110 [103;121]

 < 0.001

DBP

61.0 [54.0;69.0]

56.0 [51.0;64.0]

 < 0.001

MBP

76.0 [70.0;84.0]

71.0 [66.0;79.0]

 < 0.001

RR

18.0 [16.0;21.0]

19.0 [17.0;22.0]

0.016

Temperature (℃)

36.8 [36.6;37.1]

36.7 [36.4;36.9]

 < 0.001

Spo2 (%)

97.0 [96.0;99.0]

97.0 [96.0;99.0]

0.337

Hypertension

  

 < 0.001

 No

409 (40.3%)

105 (76.6%)

 

 Yes

607 (59.7%)

32 (23.4%)

 

Diabetes

  

0.451

 No

341 (33.6%)

51 (37.2%)

 

 Yes

675 (66.4%)

86 (62.8%)

 

Aki-stage

  

0.140

 0

475 (46.8%)

50 (36.5%)

 

 1

277 (27.3%)

44 (32.1%)

 

 2

159 (15.6%)

24 (17.5%)

 

 3

105 (10.3%)

19 (13.9%)

 

Copd

  

0.532

 No

921 (90.6%)

127 (92.7%)

 

 Yes

95 (9.35%)

10 (7.30%)

 

Sepsis

  

0.002

 No

260 (25.6%)

18 (13.1%)

 

 Yes

756 (74.4%)

119 (86.9%)

 

Pathogenic bacteria

  

0.798

 No

33 (3.25%)

5 (3.65%)

 

 Yes

983 (96.8%)

132 (96.4%)

 

Antibiotic:

  

0.620

 Other

35 (3.44%)

6 (4.38%)

 

 Vancomycin

981 (96.6%)

131 (95.6%)

 

Lactate (mmol/L)

1.50 [1.10;2.10]

1.60 [1.30;2.30]

0.020

Hemoglobin (g/dL)

12.1 [10.7;13.4]

10.3 [8.70;11.9]

 < 0.001

Creatinine (mg/dL)

1.10 [0.80;1.70]

1.50 [1.00;2.40]

 < 0.001

WBC, 109/L

8.50 [6.60;11.9]

10.3 [6.90;13.8]

0.005

Crp (mg/L)

50.5 [11.8;123]

110 [52.1;179]

 < 0.001

ALT (IU/L)

22.0 [15.0;34.0]

20.0 [13.0;33.0]

0.278

AST (IU/L)

24.0 [18.0;37.0]

29.0 [22.0;51.0]

 < 0.001

ALP (IU/L)

90.0 [69.0;119]

105 [78.0;160]

 < 0.001

Albumin (g/dL)

3.60 [3.00;4.10]

2.90 [2.40;3.40]

 < 0.001

Ca (mg/dL)

8.80 [8.30;9.30]

8.60 [8.10;9.10]

0.006

Cl (mmol/L)

101 [98.0;104]

100 [97.0;104]

0.381

K (mmol/L)

4.30 [3.90;4.70]

4.40 [3.90;4.80]

0.217

Na (mmol/L)

138 [135;141]

137 [134;141]

0.289

Mg (mmol/L)

2.00 [1.80;2.20]

2.00 [1.80;2.30]

0.076

PH

7.38 [7.33;7.44]

7.37 [7.31;7.43]

0.080

RDW (%)

14.1 [13.3;15.2]

15.5 [14.5;17.2]

 < 0.001

RDW2

  

 < 0.001

14.5%

403 (39.7%)

106 (77.4%)

 

  < 14.5%

613 (60.3%)

31 (22.6%)

 

INR

1.10 [1.00;1.30]

1.30 [1.20;1.60]

 < 0.001

Anion gap (mmol/L)

15.0 [13.0;17.0]

16.0 [13.0;19.0]

0.017

Platelets, 109/L

251 [193;320]

200 [145;286]

 < 0.001

Mortality 28-day

  

 < 0.001

 No

1016 (100%)

111 (81.0%)

 

 Yes

0 (0.00%)

26 (19.0%)

 

Mortality 90-day

  

 < 0.001

 No

1016 (100%)

84 (61.3%)

 

 Yes

0 (0.00%)

53 (38.7%)

 

Los_icu (days)

2.37 [1.58;4.24]

3.27 [2.02;8.23]

 < 0.001

  1. WBC white blood cell; AKI cute kidney injury, COPD chronic obstructive pulmonary disease, AST aspartate aminotransferase, ALT alanine aminotransferase, ALP alkaline phosphatase, CRP C-reactive protein, SBP Systolic blood pressure, DBP Diastolic blood pressure, MBP mean blood pressure, INR intenational normalized ratio, RDW red blood cell distribution width, RR respire rate, Spo2 Oxygen saturation, Los_icu length of stay in ICU.