ALB and Fever: Fever was also more common in those aged less than 65 years (54% vs. 23%, p < 0.001), without underlying co-morbidities (40% vs. 24%, p = 0.017), or without hypoalbuminemia (defined as a serum level of albumin less than 3.5 g/dL) (42% vs. 26%, p = 0.049).