| | Variable | Means and medians for survival time | | Category | Meana | Median | | Estimate | Std. error | 95% confidence interval | Estimate | Std. error | 95% confidence interval |
| | Year of graduation | 2012 | 5.938 | 0.981 | (4.015, 7.860) | 5.000 | 0.571 | (3.880, 6.120) | | 2023 | 12.80 | 6.078 | (0.887, 24.713) | 9.000 | 3.286 | (2.559, 15.441) | | 2014 | 4.714 | 0.986 | (2.782, 6.646) | 3.000 | 0.370 | (2.274, 3.726) | | 2015 | 18.966 | 2.815 | (13.449, 24.482) | 12.00 | 4.017 | (4.126, 19.874) | | 2016 | 11.60 | 2.64 | (6.427, 16.773) | 5.000 | 1.288 | (2.475, 7.525) |
| | Gender | Female | 22.25 | 3.583 | (15.227, 29.273) | 36.00 | 11.390 | (13.675, 58.325) | | Male | 9.754 | 1.46 | (6.893, 12.615) | 5.000 | 0.512 | (3.996, 6.004) |
| | CGPA | 2.0–2.25 | 11.500 | 7.128 | (0.000, 25.471) | 3.000 | 2.500 | (0.000, 7.900) | | 2.25–.50 | 5.667 | 2.906 | (0.000, 11.362) | 5.000 | 3.266 | (0.000, 11.401) | | 2.50–2.75 | 10.286 | 2.397 | (5.588, 14.983) | 8.000 | 1.309 | (5.434, 10.566) | | 2.75–3.00 | 12.000 | 2.709 | (6.691, 17.309) | 6.000 | 0.378 | (5.259, 6.741) | | 3.00–3.25 | 19.125 | 6.540 | (6.307, 31.943) | 3.000 | 12.021 | (0.000, 26.561) | | 3.25–3.50 | 12.286 | 3.041 | (6.325, 18.246) | 5.000 | 0.756 | (3.518, 6.482) | | 3.50–3.75 | 11.818 | 3.085 | (5.772, 17.865) | 6.000 | 4.404 | (0.000, 14.632) | | 3.75–4.00 | 11.500 | 8.231 | (0.000, 27.633) | 3.000 | 2.500 | (0.000, 7.900) | | Overall | 12.929 | 1.527 | (9.935, 15.922) | 6.000 | 0.365 | (5.284, 6.716) |
| | | (a) Estimation is limited to the largest survival time if it is censored | | Overall comparisons | | Variable | | Chi-squared | df | Sig. | | Year of graduation | Log rank (Mantel–Cox) | 19.758 | 4 | 0.001 | | Sex | Log rank (Mantel–Cox) | 9.122 | 1 | 0.003 | | CGPA | Log rank (Mantel–Cox) | 2.434 | 7 | 0.932 |
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