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Mean values and standard errors (SE) for each determined substance.
| Cases (n = 13) | Controls (n = 21) | P value | |||
| Mean | SE | Mean | SE | ||
| PMN elastase (ng/mL) | 7.3 | 1.6 | 5.5 | 0.7 | < .23 |
| SLPI (ng/mL) | 65 | 6.6 | 63 | 3.7 | < .83 |
| sICAM-1 (ng/mL) | 194 | 40 | 115 | 10.5 | < .08 |
| sVCAM-1 (ng/mL) | 309 | 15 | 293 | 9.5 | < .34 |
