Table 5.

Odds ratios for in-hospital mortality by body mass index categories in sensitivity analyses

Type of analysis	Sensitivity analysis 1 (continuous linear eGFR)					Sensitivity analysis 2 (limiting to length of stay > 2)
Body mass index	Odds ratio	95% CI			P value	Odds ratio	95% CI			P value
Low	1.73	1.25	-	2.40	0.001	1.50	1.08	-	2.10	0.017
Medium–low	0.87	0.61	-	1.25	0.45	0.81	0.56	-	1.16	0.26
Medium–high	Reference					Reference
High	0.86	0.59	-	1.26	0.44	0.94	0.64	-	1.38	0.74
Type of analysis	Sensitivity analysis 3 (multiple imputation)					Sensitivity analysis 4 (excluding those with AKI)
Body mass index	Odds ratio	95% CI			P value	Odds ratio	95% CI			P value
Low	1.79	1.31	-	2.45	< 0.001	1.69	1.21	-	2.36	< 0.001
Medium–low	0.97	0.68	-	1.37	0.85	0.88	0.61	-	1.27	0.49
Medium–high	Reference					Reference
High	0.88	0.61	-	1.27	0.50	0.87	0.59	-	1.29	0.49

eGFR Estimated glomerular filtration rate, OR Odds ratio, CI Confidence interval, AKI Acute kidney injury