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Table 1 Influence of shift work and sleep quality by PSQI on IL-6, TNF-α and lymphocytes.

From: The impact of shift work induced chronic circadian disruption on IL-6 and TNF-α immune responses

Component

Collective

Mean

SD

p

IL-6

Daytime workers

Shift workers

2.30

2.67

1.54

3.79

0.276

TNF-α

Daytime workers

Shift workers

5.58

5.68

2.91

5.19

0.841

Lymphocytes

Daytime workers

Shift workers

33.68

32.99

7.64

7.49

0.404

Component

PSQI

Mean

SD

p

IL-6

PSQI ≤ 6

PSQI ≥ 6

2.47

2.58

2.50

3.77

0.761

TNF-α

PSQI ≤ 6

PSQI ≥ 6

5.53

5.68

3.49

5.41

0.759

Lymphocytes

PSQI ≤ 6

PSQI ≥ 6

33.59

33.14

7.52

7.78

0.593