I have two groups of patients. Both of them have CT and Histopathology results. I want to compare they AUROC and PPV / NPV etc values in SPSS ? Is that possible ??
Hello Gupse
Please check those links ( Q & A ) :-
https://www.researchgate.net/post/Comparison_of_performance_of_tests_using_SPSS_Is_it_possible
https://www.researchgate.net/post/how_can_I_interpret_the_ROC_curve_result
https://www.researchgate.net/post/How_can_i_compare_two_paired_test_on_sensitivity_Specificity_PPV_and_NPV
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Roc curve is present in new versions of SPSS like SPSS V.23 . And now SPSS V.25 can be downloaded online.
https://www.researchgate.net/post/please_share_the_link_of_free_version
=======================
For me I prefer to use MedCalc program in ROC curve as it has many options rather than SPSS. Adding on Sample size calculator.
https://www.medcalc.org/calc/diagnostic_test.php
Thanks & Regards
Thank you Khaled. This was very helpful. I am using SPSS for years but I think it’s time to meet with MedCalc.
Hi
1. If the sample size of each group is >30, you can develop two independent T test.
2. Otherwise, non-parametric T test has to be developed.
3. For more information, please refer to:
. Landau, S. and Everitt, B. S.(2004). A Handbook of Statistical analyses using SPSS.
.Howitt, D. and Cramer, D.(2008). Introduction to SPSS.
Regards,
Zuhair
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