oa Central African Journal of Medicine - The relationship of white blood cell and platelet counts to cigarette smoking in adult Nigerians

Volume 36, Issue 11
  • ISSN : 0008-9176



This study was undertaken to examine the relationship between cigarette-smoking and total white blood cell count (wbcc) and platelet count (PC) in adult Nigerians. We also studied the relationship of the white blood cell and platelet counts to the duration of the smoking habit and number of cigarette smoked per day. Three hundred and fifty-two healthy male adults, aged 18-52 years, were studied. They were randomly allocated to two groups - 176 smokers and 176 non-smokers. The smoking habit was assessed from a minimum period of 1 year and a minimum number of 5 cigarettes per day. Results revealed that platelet count was higher for the regular Nigerian smoker than for non-smoker. The difference between mean platelet counts for smokers and non-smokers was statistically significant (t = 2.64 P = 0.0046). Man WBC count in smokers was slightly higher than for non-smokers. However, unlike in the case of platelet counts, the mean difference in WBC count between smokers and non-smokers is not statistically significant (I = 0.07, p value = 0.9442). Similar studies based on white population has showed statistically significant increases in wbcc and pc in smokers.

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