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Table 2 Paired t-test comparing the Mean ± SD ESR values of the study participants using EDTA and TSC Whole Blood

From: A comparison of erythrocyte sedimentation rates of bloods anticoagulated with trisodium citrate and EDTA among TB presumptive patients at the University of Gondar comprehensive specialized hospital, northwest Ethiopia

VariablesCategoryMean and SD of ESR in mm/hPaired differences
Mean ± SD
P-value
EDTATSC
Mean ± SDMean ± SD
SexM (46)59.57 ± 42.3153.57 ± 44.616.00 ± 14.090.006
F (24)54.71 ± 40.4446.04 ± 41.828.67 ± 12.920.003
Age in year15–25 (17)36.53 ± 36.0728.88 ± 36.267.45 ± 9.990.006
26–35 (18)56.78 ± 43.7647.11 ± 45.919.67 ± 14.820.013
36–50 (21)62.52 ± 43.1059.90 ± 45.232.62 ± 13.780.394
> 50 (14)78.36 ± 32.7369.43 ± 37.098.93 ± 15.590.052
ResidenceRural (46)54.76 ± 41.0847.80 ± 42.556.96 ± 14.830.003
Urban (24)63.92 ± 42.3657.08 ± 45.616.83 ± 11.380.007
Previous TB HistoryYes (17)69.71 ± 41.2065.00 ± 43.864.71 ± 16.600.260
No (53)54.11 ± 41.2046.49 ± 42.857.62 ± 12.680.000
TB StatusPositive (7)88.71 ± 24.4082.57 ± 39.946.14 ± 16.290.357
Negative (63)54.48 ± 41.6547.48 ± 42.767.00 ± 13.490.000
Total57.90 ± 41.4550.99 ± 43.526.91 ± 13.660.000
  1. SD standard deviation