Association between sarcopenia and new-onset chronic kidney disease among middle-aged and elder adults: findings from the China Health and Retirement Longitudinal Study

Table 4 Sensitivity analysis of association between sarcopenia and new-onset kidney diseases in CHARLS (2011–2015) excluding individuals with eGFR less than 90

	Cases (n)	Incidence Rate, per 1000 Person-Years	HR (95%CI)
	Cases (n)	Incidence Rate, per 1000 Person-Years	Model 1	Model 2	Model 3	Model 4
No sarcopenia	116	54.84	1.00 (Ref.)	1.00 (Ref.)	1.00 (Ref.)	1.00 (Ref.)
Possible sarcopenia	258	55.97	1.04 (0.84–1.29)	1.14 (0.91–1.43)	1.14 (0.90–1.43)	1.13 (0.90–1.42)
Sarcopenia	111	91.40	1.67 (1.28–2.17)***	1.60 (1.23–2.08)***	1.51 (1.15–1.97)**	1.64 (1.19–2.26)**

• Abbreviation: HRs, hazard ratios; CI, confidential interval; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure.
• Model 1 was unadjusted
• Model 2 was adjusted for age, sex
• Model 3 was adjusted for age, sex, drinking, height, weight, eGFR, HDL cholesterol
• Model 4 was adjusted for age, sex, residence, marital status, educational level, smoking, drinking, BMI, SBP, DBP; history of hypertension, dyslipidemia, diabetes, stroke, heart disease
• Significant at * P < 0.05** P < 0.01.*** P < 0.001

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