Table 1: Comparison of pain, depression, and anxiety among patients in biological and nonbiological treatment: t-Test of differences for independent samples.

VariableTreatment typet-Test statistics
biological treatment (n=57)nonbiological treatment (n=28)tdfpd
M (SD)M (SD)

Pain intensity8.3 (4.94)12.12 (4.85)3.3683.001.78
 Daytime pain4.71 (2.49)6.80 (2.18)3.7883<.001.90
 Night pain3.60 (2.76)5.32 (2.99)2.6283.010.60

Anxiety8.26 (3.05)9.21 (3.82)1.2483.218-
Depression5.05 (3.21)6.28 (3.42)1.6383.107-