Table 1 Summary of Cox and RSF models reporting HRs and ORs for breast cancer incidence by weight status, when compared to normal weight status.

From: A comparison of time to event analysis methods, using weight status and breast cancer as a case study

 

Cox proportional hazards

RSF

HR (95% CI)

C-Index/IBS

OR (95% CI)

C-Index/IBS

All

UW

0.84 (0.51, 1.36)

0.57/0.025

1.10 (1.08, 1.12)

0.53/0.021

OW

1.13 (0.98, 2.30)

1.24 (1.21, 1.27)

O

1.16 (0.94, 1.42)

1.36 (1.33, 1.39)

Post-menopause

UW

0.55 (0.23, 1.34)

0.56/0.028

1.11 (1.09, 1.13)

OW

1.25 (1.04, 1.51)

1.34 (1.31, 1.70)

O

1.28 (0.98, 1.68)

1.45 (1.42, 1.48)

All with interaction

UW

0.50 (0.21, 1.22)

0.57/0.025

 

OW

1.22 (1.02, 1.47)

O

1.24 (0.96, 1.60)

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