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Table 3 Influence of Age, Income status, smoking and alcohol consumption on absolute CD4 count and percentages

From: Establishment of reference CD4+ T cell values for adult Indian population

  N CD4 count(Cells/μL) CD4 percentage
   Mean ± SD Median P value Mean ± SD Median P value
Age
< 18 1 1728 1728 ---- 52 52 ---
18-24 270 911 ± 306 873   38 ± 7 38  
25-40 766 895 ± 295 842 < 0.001 37 ± 6 37 0.01
41-60 168 1034 ± 357 994   39 ± 7 38  
≥ 61 1 1201 1201 --- 34 34 ----
Marital status
Married 723 924 ± 326 876 0.706 38 ± 6 37 0.828
Unmarried/Single 428 916 ± 301 878   38 ± 6 37  
Income status
High 102 1168 ± 368 1167 < 0.001 40 ± 7 40 < 0.001
Medium 900 931 ± 285 858   38 ± 6 38  
Low 204 734 ± 289 781   36 ± 7 36  
Alcohol Consumption
Habitual 5 770 ± 232 806 > 0.05 37 ± 10 37 > 0.05
Occasional 108 924 ± 278 900   38 ± 7 37  
No 1091 919 ± 315 873   38 ± 6 37  
Smoking
Habitual 29 958 ± 274 924 > 0.05 37 ± 7 38 > 0.05
Occasional 60 908 ± 316 861   38 ± 7 37  
No 1115 919 ± 312 877   38 ± 6 37  
  1. The influence of age, marital and income status and habits like smoking and alcohol consumption on CD4 counts was assessed using the Mann Whitney's U test. The p values less than 0.05 considered to be significant.