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Table 1 Demographics and Baseline Characteristics of All Patients

From: Development and validation of a novel predictive model and web calculator for evaluating transfusion risk after spinal fusion for spinal tuberculosis: a retrospective cohort study

Variables

Non-transfused cohort

Transfused cohort

P value

Number of patients

96

56

 

Age (years)

53.52 ± 17.80 (23, 83)

54.98 ± 17.41 (13, 84)

0.623

Sex (male/female)

50/46

31/25

0.696

Hypertension

40 (41.67%)

27 (48.21%)

0.057

Diabetes

15 (15.63%)

11 (19.64%)

0.526

Anticoagulant history

14 (14.58%)

17 (30%)

0.020

Paraplegia

0

3 (5.36%)

0.022

Length of hospitalization (days)

19.63 ± 5.98 (11, 34)

21.55 ± 5.16 (13, 37)

0.047

Time to definitive surgery (days)

12.29 ± 9.19 (2, 42)

12.86 ± 9.20 (2, 39)

0.715

Surgical duration (min)

214.38 ± 66.36 (95, 410)

243.27 ± 61.92 (95, 415)

0.009

IBL (ml)

596.98 ± 556.90 (100, 2500)

811.25 ± 493.22 (250, 3400)

0.018

Number of fused vertebrae

  

0.044

 1

42 (43.75%)

19 (33.93%)

 

 2

30 (31.25%)

12 (21.43%)

 

 ≥3

24 (25.00%)

25 (44.64%)

 

P-PT (s)

12.37 ± 1.00 (10.30, 14.80)

12.36 ± 0.95 (10.90, 14.80)

0.949

P-APTT (s)

31.42 ± 4.79 (23.70, 41.50)

32.05 ± 5.56 (24.10, 52.00)

0.463

P-FBG (g/L)

3.39 ± 1.20 (0.71, 5.63)

3.24 ± 1.22 (0.82, 5.77)

0.472

P-Hb (g/L)

111.01 ± 11.06 (85, 133)

106.80 ± 9.37 (89, 132)

0.018

P-WBC (10^9/L)

6.64 ± 2.13 (2.69, 14.69)

6.80 ± 2.28 (3.12, 15.21)

0.680

P-PLT (10^9/L)

249.07 ± 52.81 (159, 363)

251.02 ± 78.38 (113, 413)

0.855

P-HCT (%)

35.17 ± 3.64 (25.2, 40.8)

34.13 ± 3.79 (24.0, 39.8)

0.096

P-MCV (fl)

86.95 ± 4.01 (79.90, 92.50)

85.98 ± 4.81 (74.50, 97.10)

0.182

P-MCH (pg)

27.59 ± 1.37 (25.5, 30.8)

27.06 ± 2.12 (22.1, 31.6)

0.065

P-MCHC (g/L)

332.75 ± 7.93 (315, 349)

329.68 ± 10.60 (304, 351)

0.044

P-RDWCV (%)

13.48 ± 0.46 (12.60, 14.50)

13.75 ± 1.29 (11.30, 18.00)

0.065

P-ALB (g/L)

38.59 ± 4.04 (29.80, 45.77)

37.02 ± 4.63 (22.25, 45.00)

0.030

P-ESR (mm/h)

33.82 ± 12.72 (11, 81)

37.79 ± 16.40 (8, 73)

0.099

P-CPR (mg/L)

33.93 ± 15.74 (3.00, 74.00)

35.80 ± 15.84 (4.86, 80.00)

0.482

Hospitalization expenses (RMB)

72,635.7 ± 31,245 (8168.86, 115,657.69)

122,083.9 ± 34,483.8 (63,959.12, 201,266.44)

0.000

Blood transfusion expenses (RMB)

0

2498.20 ± 1541.01

 
  1. IBL Intraoperative blood loss, P-PT Preoperative prothrombin time, P-APTT Preoperative activated partial thromboplastin time, P-FBG Preoperative fibrinogen, P-Hb Preoperative hemoglobin, P-WBC Preoperative white blood cell, P-PLT Preoperative platelet, P-HCT Preoperative hematocrit, P-MCV Preoperative mean corpuscular volume, P-MCH Preoperative mean corpuscular hemoglobin, P-MCHC Mean corpuscular hemoglobin concentration, P-RDWCV Preoperative red cell volume distribution width coefficient variation, P-ALB Preoperative albumin, P-ESR Erythrocyte sedimentation rate, P-CPR Preoperative C reactive protein.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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