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. 2015 Mar 13;10(3):e0119717. doi: 10.1371/journal.pone.0119717

Table 2. Pearson’s correlation coefficient and Mander’s overlap colocalization coefficients of quantitative confocal analysis.

Coefficients Normal Asthmatic COPD P
Cell membrane marker and vitronectin (Rp) 0.54 (0.44–0.59) 0.71 (0.62–0.80) 0.67 (0.61–0.75) 0.0471 a
Cell membrane marker (Mx) b 0.79 (0.71–0.85) 0.87 (0.80–0.93) 0.95 (0.88–0.96) 0.0830
Vitronectin (My) b 0.76 (0.66–0.80) 0.90 (0.87–0.94) 0.85 (0.84–0.97) 0.0471 a
Lactoferrin and vitronectin (Rp) 0.72 (0.67–0.78) 0.47 (0.44–0.53) 0.55 (0.50–0.59) < 0.0001 a
Lactoferrin (Mx) c 0.83 (0.77–0.88) 0.73 (0.62–0.78) 0.63 (0.59–0.68) 0.0017 a
Vitronectin (My) c 0.96 (0.93–0.97) 0.92 (0.90–0.93) 0.90 (0.85–0.93) 0.0040 a
MUC5B and vitronectin (Rp) 0.40 (0.17–0.48) 0.08 (0.05–0.16) 0.05 (0.03–0.06) 0.0018 a
MUC5B (Mx) d 0.54 (0.18–0.62) 0.11 (0.06–0.23) 0.14 (0.10–0.17) 0.0031 a
Vitronectin (My) d 0.54 (0.44–0.59) 0.71 (0.62–0.80) 0.67 (0.61–0.75) < 0.0001 a
MUC5AC and vitronectin (Rp) 0.79 (0.71–0.85) 0.87 (0.80–0.93) 0.95 (0.88–0.96) 0.4724
MUC5AC (Mx) e 0.76 (0.66–0.80) 0.90 (0.87–0.94) 0.85 (0.84–0.97) 0.1910
Vitronectin (My) e 0.72 (0.67–0.78) 0.47 (0.44–0.53) 0.55 (0.50–0.59) 0.0550

Values are expressed as medians (interquartile ranges). Rp, Pearson’s correlation coefficient; Mx, Mander’s colocalization coefficient for channel 1; My, Mander’s colocalization coefficient for channel 2.

a Statistically significant values by Kruskall-Wallis H test.

b,c,d,e Mander's overlap coefficients for colocalization analysis of cell membrane marker/vitronectin (b), lactoferrina/vitronectin (c), MUC5B/vitronectin (d), and MUC5AC/vitronectin (e).