Table 5.
Comparison of the patients’ serum KL-6 levels (x̅±s, U/ml)
| Group | n | KL-6 | Group | n | KL-6 |
|---|---|---|---|---|---|
| NILD group | 69 | 226.19±112.57 | Inactive group | 28 | 832.62±435.89 |
| ILD group | 69 | 1184.58±573.48 | Active group | 41 | 1424.95±533.77 |
| t | 13.622 | t | 4.865 | ||
| P | <0.001 | p | <0.001 |
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