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Table 4 Relationship between risk of death and lymphocyte subset percentages (hazard ratios and 95% confidence intervals)

From: Immunological and nutritional factors in elderly people in low-level care and their association with mortality

Model

CD4+T %

CD8+T %

CD4+:CD8+ratio

B cell %

NK cell %

NK:CD4+T ratio

No adjustment

0.939 (0.896, 0.985)**

1.004 (0.947, 1.065)

0.774 (0.545, 1.098)

0.938 (0.839, 1.049)

1.094 (1.026, 1.167)**

22.676 (3.492, 147.238)***

Age and sex

0.930 (0.881, 0.982)**

1.014 (0.953, 1.080)

0.726 (0.497, 1.061)

0.954 (0.852, 1.069)

1.084 (1.012, 1.161)*

23.568 (3.112, 178.459)**

Age, sex, medical conditionsa

0.922 (0.869, 0.977)**

1.019 (0.954, 1.087)

0.712 (0.481, 1.054)

0.948 (0.844, 1.066)

1.085 (1.012, 1.163)*

27.132 (3.377, 217.978)**

Fully adjustedb

0.919 (0.863, 0.978)**

1.021 (0.955,1.091)

0.697 (0.452, 1.075)

0.982 (0.851, 1.133)

1.085 (1.008, 1.168)*

30.521 (3.151, 295.627)**

  1. aMedical conditions confined to those listed in Methods.
  2. bAdjusted for age, sex, medical conditions, body fat percentage and serum albumin level.
  3. *P < 0.05, ** P ≤ 0.01, *** P ≤ 0.001.