Table 5.

Effect of omicron variant infection on blood indices of haemodialysis patients.

	COVID-19 group (Mean ± SD, N)	Non-COVID-19 group (Mean ± SD, N)	MD (95% CI)	P
Haemoglobin (g/L)	100.51 ± 21.52 (199)	103.81 ± 16.89 (376)	−3.30 (-6.51 to −0.09)	<0.0001
Calcium (mmol/L)	2.22 ± 0.23 (196)	2.27 ± 0.21 (373)	−0.05 (-0.09 to −0.01)	0.0093
Phosphorus (mmol/L)	2.37 ± 0.37 (197)	1. 89 ± 0.34 (373)	0.48 (0.42 to 0.54)	<0.0001
Albumin (g/L)	36.86 ± 5.51 (199)	37.5 ± 4.04 (373)	−0.64 (-1.43 to 0.15)	0.0833

MD: mean difference.