Skip to main content

Table 1 Descriptive statistics by mortality status and crude associations with mortality within 30 days of initial hospitalization for community acquired pneumonia.

From: Predictors of inhospital mortality and re-hospitalization in older adults with community-acquired pneumonia: a prospective cohort study

Factorsa

Mortality within 30 days (n = 49)

Alive at 30 days (n = 603)

Mortality vs. alive at 30 days

   

OR (95% CI)

P

Demographic factors

    

Age (years)b

79.3 (8.6)

79.1 (7.6)

0.26 (-1.98, 2.50)

.819

Male Sex

31 (64.6)

365 (60.4)

1.19 (0.65, 2.21)

.571

Married, living with spouse

29 (60.4)

310 (51.8)

1.42 (0.78, 2.58)

.252

Living Alone

13 (26.5)

187 (32.6)

0.75 (0.39, 1.44)

.384

BMIa

24.7 (4.7)

25.4 (5.9)

-0.67 (-2.49, 1.15)

.471

Low socioeconomic status

    

Education (< high school)

32 (65.3)

366 (61.5)

1.18 (0.64, 2.17)

.599

Empiric Antibiotic Use

    

Appropriate Antibiotics

44 (89.8)

511 (83.9)

1.69 (0.65, 4.36)

.275

Pneumonia Severity

    

CRB-65a

1.52 (0.7)

1.54 (0.7)

-0.02 (-0.21, 0.17)

.834

Immunization history

    

Influenza Vaccine

38 (77.6)

473 (79.0)

0.92 (0.46, 1.85)

.816

Pneumococcal Vaccine

24 (49.0)

342 (57.8)

0.70 (0.39, 1.26)

.232

Comorbidities

    

Asthma

13 (27.7)

142 (24.0)

1.21 (0.62, 2.35)

.576

Cancer

11 (22.9)

156 (26.3)

0.83 (0.41, 1.67)

.607

Cerebrovascular Diseasec

16 (33.3)

115 (19.3)

2.08 (1.11, 3.93)

.021

Congestive Heart Failure

18 (39.1)

196 (33.5)

1.28 (0.69, 2.36)

.438

COPDc

31 (66.0)

284 (48.0)

2.10 (1.13, 3.92)

.018

Diabetes Mellitus

8 (16.7)

155 (26.0)

0.57 (0.26, 1.24)

.152

Dysphagia

10 (20.8)

78 (13.2)

1.73 (0.83, 3.62)

.138

Hip Fracturec

7 (14.6)

29 (4.9)

3.33 (1.38, 8.07)

.005

Liver Diseasec, d

4 (8.7)

11 (1.9)

5.03 (1.54, 16.48)

.003

Renal Disease

9 (20.0)

109 (18.6)

1.10 (0.51, 2.34)

.812

Mineral supplement and medication history

    

Vitamin E Supplementation

9 (18.3)

134 (23.1)

0.75 (0.35, 1.58)

.448

Zinc Supplementation

5 (10.2)

65 (11.4)

0.88 (0.34, 2.30)

.796

Immunosuppressive Drugs

8 (18.2)

93 (16.4)

1.13 (0.51, 2.51)

.760

Lifestyle factors

    

Smoking (> 100 cigarettes)

39 (79.6)

447 (74.3)

1.35 (0.66, 2.77)

.409

Household Smoking

11 (22.5)

111 (18.4)

1.28 (0.63, 2.58)

.489

Alcohol (gram/month)a

16.1 (41.3)

10.6 (36.8)

5.46 (-5.48, 16.40)

.328

Nutritional Scorea

45.3 (8.8)

47.0 (6.8)

-1.70 (-3.76, 0.35)

.198

Low functional status

    

Barthel Score (≤ 17)

12 (24.5)

142 (23.7)

1.04 (0.53, 2.06)

.901

  1. aDescriptive statistics are expressed as mean (standard deviation (SD)) for continuous variables and count (percentage) for binary variables
  2. bContinuous variables
  3. cp ≤ .10
  4. dRare exposure (not considered as candidate variable for multivariable analysis for mortality even when it was statistically significant in univariate analysis).
Back to article page

BMC Geriatrics

ISSN: 1471-2318

Contact us