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Table 2 Risk factors for life-threatening complications of chronic suppurative osteomyelitis of the jaw

From: Risk factors of recurrence and life-threatening complications for patients hospitalized with chronic suppurative osteomyelitis of the jaw

Variable No. of recurrence/Total no. of patients (%) Univariate analyses Multivariate analyses
OR(95% CI) P OR(95% CI) P
Age      
<6 5/34 (14.8) 0.78(0.18-3.28) 0.730 0.12(0.02-0.82) 0.030*
6-12 0/7     
13-65 22/259 (8.5) 0.42(0.13-1.34) 0.143 0.11(0.02-0.55) 0.007*
>65 4/22 (18.2) 1(ref.)#   1(ref.)  
Sex      
Male 17/185 (9.2) 0.89(0.42-1.87) 0.757 0.96(0.40-2.30) 0.955
Female 14/137 (10.2) 1(ref.)   1(ref.)  
Occupation      
Farmer 23/178 (12.9) 0.93(0.30-2.91) 0.897 0.45(0.12-1.66) 0.232
Worker 2/51 (3.9) 0.26(0.04-1.49) 0.129 0.27(0.05-1.59) 0.272
Student 1/31 (3.2) 0.21(0.02-1.99) 0.173 0.34(0.11-2.21) 0.231
Staff 1/19 (5.3) 0.35(0.04-3.37) 0.362 0.42(0.09-3.42) 0.421
Cadre 0/14     
Other 4/29 (13.8) 1(ref.)   1(ref.)  
Temperature      
36-37.5°C 5/123 (4.1) 0.06(0.02-0.19) 0.000* 0.12(0.04-0.39) 0.001*
37.6-38°C 3/74 (4.1) 0.06(0.01-0.23) 0.000* 0.13(0.03-0.50) 0.003*
38.1-39°C 4/59 (6.8) 0.10(0.03-0.35) 0.000* 0.21(0.06-0.76) 0.017*
39.1-40°C 9/43 (20.9) 0.34(0.11-1.04) 0.058 0.61(0.19-1.92) 0.393
>40°C 10/23 (43.5) 1(ref.)   1(ref.)  
WBC      
<10×109/L 6/113 (5.3) 0.17(0.06-0.44) 0.000* 0.04(0.01-0.28) 0.002*
10×109/L −15×109/L 5/130 (3.8) 0.12(0.04-0.33) 0.000* 0.10(0.04-0.30) 0.000*
>15×109/L 20/79 (25.3) 1(ref.)   1(ref.)  
PAAA      
Yes 24/178 (13.5) 3.05(1.27-7.30) 0.012* 3.35(1.36-8.26) 0.009*
No 7/144 (4.9) 1(ref.)   1(ref.)  
Concurrent MSI      
Yes 16/74 (21.6) 4.29(2.00-9.17) 0.000* 6.90(2.20-21.62) 0.001*
No 15/248 (6.0) 1(ref.)   1(ref.)  
PED      
Yes 17/58 (29.3) 7.40(3.39-16.16) 0.000* 16.17(4.51-58.04) 0.000*
No 14/264 (5.3) 1(ref.)   1(ref.)  
Concurrent RD      
Yes 18/31 (58.1) 29.61(11.98-73.16) 0.000* 39.32(12.55-123.21) 0.000*
No 13/291 (4.5) 1(ref.)   1(ref.)  
  1. #: Set the last item of each class as a reference with the odds ratio for “1” in Logistic regression analysis.
  2. *: P < 0.05.
  3. Key to the abbreviations:
  4. No.: Number; OR: Odds ratio; P: P-value; CI: confidence interval; WBC: White blood cells; PAAA: pre-admission antibiotic administration; MSI: Maxillofacial space infection; PED: pre-existing diabetes; RD: respiratory difficulty; ref.: reference.