Shown below is output from a t-test performed in SAS.

T-test comparing men and women on total cholestorol Sex Method N Mean Std Dev Std Err Minimum Maximum Female 2774 228.5 46.9217 0.8909 117.0 493.0 Male 2283 226.1 42.3672 0.8867 96.0000 568.0 Diff (1-2) Pooled 2.4906 44.9229 1.2694 Diff (1-2) Satterthwaite 2.4906 1.2569 Sex Method Mean 95% CL Mean Std Dev 95% CL Std Dev Female 228.5 226.8 230.3 46.9217 45.7187 48.1901 Male 226.1 224.3 227.8 42.3672 41.1731 43.6333 Diff (1-2) Pooled 2.4906 0.00194 4.9792 44.9229 44.0641 45.8160 Diff (1-2) Satterthwaite 2.4906 0.0264 4.9547 Method Variances DF t Value Pr > It| Pooled Equal 5055 1.96 0.0498 Satterthwaite Unequal 5011.8 1.98 0.0476 Equality of Variances Method Num DF Den DF F Value Pr > F Folded F 2773 2282 1.23 <.0001>