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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