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Table 5 Survival function of entire cohort

From: Survival analysis and influence of the surgical aggression of a cohort of orthopedic and trauma patients in a non-controlled spread COVID-19 scenario

a) Survival function. Kaplan-Meier method. Entire Cohort
Time Beg. Deaths Net Lost Survival probability [95% Conf. Int.]
2 184 1 0 0.9946 0.9621 0.9992
19 183 1 1 0.9891 0.9572 0.9973
30 180 0 1 0.9891 0.9572 0.9973
31 179 1 0 0.9836 0.9500 0.9947
40 178 0 4 0.9836 0.9500 0.9947
41 174 1 1 0.9780 0.9423 0.9917
44 164 0 15 0.9780 0.9423 0.9917
60 84 0 2 0.9780 0.9423 0.9917
70 37 0 8 0.9780 0.9423 0.9917
71 29 1 11 0.9442 0.8172 0.9838
76 10 0 10 0.9442 0.8172 0.9838
b) Survival function. Actuarial Method. Entire Cohort
Interval days Beg. Deaths Lost Survival probability [95% Conf. Int.]
0 15 184 1 0 0.9946 0.9621 0.9992
15 30 183 1 2 0.9891 0.9571 0.9973
30 45 180 2 29 0.9771 0.9402 0.9914
45 60 149 0 65 0.9771 0.9402 0.9914
60 75 84 1 71 0.9570 0.8805 0.9849
75 90 12 0 12 0.9570 0.8805 0.9849