Table 2.

Malondialdehyde (MDA) levels (nm/mg haemoglobin) in nurses of an intensive care unit and controls

	Nurses in intensive care units		Controls
Age	n	x̄ ± SD	n	x̄ ± SD
< 20 years	10	282.60 ± 3.14*	10	267.23 ± 8.72*
20–29 years	17	342.28 ± 7.36*	20	285.26 ± 9.15*
30–39 years	5	376.63 ± 5.24*	5	329.14 ± 10.38*

Values are mean ± SD

*P < 0.05