Table 2 Differences in age, GA classification, hospitalization period, and estimated cost between groups A and B
Groups | Levene’s test for Equality of Variances | t-test for Equality of Means | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
F | Sig | t | df | Sig. (2 tailed) | Mean Difference | Std. Error Difference | 95% Confidence Interval of the Difference | |||
Lower | Upper | |||||||||
Age | A | 7.541 | 0.009 | 0.018 | 26.383 | 0.931 | 0.407 | 4.991 | -9.847 | 10.659 |
B | ||||||||||
GA classification | A | 0.32 | 0.574 | -0.779 | 42.00 | 0.440 | -0.259 | 0.332 | -0.930 | 0.412 |
B | ||||||||||
Hospitalization period | A | 6.248 | 0.016 | -2.309 | 33.112 | 0.027 | -9.876 | 4.279 | -18.580 | -1.171 |
B | ||||||||||
Estimated cost | A | 3.399 | 0.072 | -2.496 | 42 | 0.017 | -12,476.377 | 4998.20 | -22,563.1 | -2389.59 |
B | ||||||||||