Table 2.

Pairwise pearson correlation values between cytokine concentrations and age, sex, and BMI

Cytokine	Primary TKA			Aseptic TKR			Septic TKR
	Age	Sex	BMI	Age	Sex	BMI	Age	Sex	BMI
IL-1α	0.00	0.47	0.28	0.20	0.22	− 0.54	− 0.15	0.25	− 0.05
IL-1β	− 0.19	− 0.06	− 0.04	− 0.30	− 0.30	0.08	0.03	0.26	0.05
IL-6	0.00	− 0.09	− 0.12	0.03	− 0.19	− 0.21	0.00	0.22	− 0.02
IL-8	0.03	0.59	0.25	0.06	− 0.07	− 0.32	− 0.13	0.14	− 0.14
MCP-1	0.04	0.13	0.14	− 0.18	− 0.44	0.45	− 0.07	0.20	− 0.15
MIP-1α	− 0.10	0.13	− 0.04	− 0.05	− 0.30	0.09	0.33	0.08	− 0.13
MIP-1β	− 0.04	0.19	0.03	0.23	− 0.06	− 0.38	0.21	0.13	− 0.16
IL-10	− 0.26	0.29	0.17	− 0.31	0.00	− 0.20	− 0.11	− 0.25	0.30
IL-12p70	− 0.06	0.02	0.03	− 0.03	0.49	− 0.32	− 0.30	− 0.18	0.33
IL-13	− 0.19	0.49	0.28	− 0.06	0.41	− 0.06	− 0.22	− 0.23	0.22
IL-17A	0.00	− 0.08	− 0.31	0.31	0.85	− 0.45	− 0.34	0.06	0.32
IL-4	− 0.32	0.20	0.29	0.34	0.35	− 0.55	0.21	0.02	− 0.11
TNF-α	− 0.22	0.34	0.25	0.45	0.72	− 0.38	− 0.45	− 0.12	0.25

The pairwise correlation values are listed for each of the three groups: primary TKA, aseptic TKR, and septic TKR. Pearson correlation values are rounded to two decimal places. No correlations were found to be significant at the p < 0.05 level after Bonferroni’s correction