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Table 2 Univariate analysis of in-hospital-mortality: patient characteristics and etiology.

From: Prognostic factors in left-sided endocarditis: results from the andalusian multicenter cohort

Variable   Alive N = 497 Deaths N = 208 RR 95% CI p
Age (years) Mean ± SD 51.6 ± 17 58.8 ± 16 - - <0.001
Gender Male 345 (71) 141 (29) 1.07 0.76-1.52 0.367
  Female 152 (69.4) 67 (30.6)    
Period 1984-1995 196 (74.5) 67 (25.5) 1.25 0.97-1.60 0.070
  1996-2006 301 (68.1) 141 (31.9)    
Hospital Tertiary 451 (69.3) 200(30.7) 2.07 1.08-3.96 0.008
  Community 46 (85.2) 8 (14.8)    
Nosocomial Yes 55 (53.4) 48 (46.6) 1.75 1.37-2.24 <0.001
  No 442 (73.4) 160 (26.6)    
Comorbidity Yes 259 (64.4) 143 (35.6) 1.65 1.28-2.13 <0.001
  No 238 (78.8) 65 (21.5)    
Charlson's index Mean ± SD 1.56 ± 2,50 ±    <0.001
   2.15 2.42    
Diabetes mellitus Yes 24 (68.8) 11 (31.4) 1.06 0.64-1.76 0.464
  No 473 (70.6) 197 (29.4)    
Chronic renal insufficiency Yes 14 (58.3) 10 (41.7) 1.43 0.88-2.33 0.184
  No 483 (70.9) 198 (29.1)    
Chronic liver Yes 17 (53.1) 15 (46.9) 1.63 1.10-2.40 0.027
Disease No 480 (71,3) 193 (28,7)    
Valve involved Aortic 223 (71.9) 118 (29.3) 1.02 0.81-1.28 0.456
  Mitral 274 (69.3) 90 (29.1)    
>1 valve involved Yes 49 (64.5) 27 (35.5) 1.23 0.89-1.71 0.223
  No 448 (71,2) 181 (28,8)    
Valve type Prosthetic 104 (60.8) 67 (39.2) 1.48 1.17-1.87 0.001
  Native 393 (73.6) 141 (26.4)    
Prosthetic type Early 33 (47.8) 36 (52.2) 1.93 1.48-2.50 <0.001
  Late 464 (73) 172 (27)    
S. aureus Yes 70 (51.1) 67 (48.7) 1.96 1.57-2.46 <0.001
  No 427 (75.2) 141 (24.8)    
S. viridans group Yes 140 (89.7) 16 (10.3) 0.29 0.18-0.47 <0.001
  No 357 (65) 192 (35)    
Coagulase-negative Staphylococci Yes 64 (62.7) 38 (37.3) 1.32 0.99-1.75 0.040
  No 433 (71.8) 170 (28.2)    
Enterococcus spp. Yes 52 (66.7) 26 (33.3) 1.14 0.1-1.60 0.254
  No 445 (71) 182 (29)    
S. agalactiae Yes 7 (46.7) 8 (53.3) 1.84 1.12-2.99 0.044
  No 490 (71) 200 (29)    
Fungal Yes 2 (22.2) 7 (77.8) 2.69 1.86-3.89 0.004
  No 495 (71.1) 301 (28.9)    
  1. Data are expressed as number of cases (%) except when indicated.