Table 4.
Factors associated with KL-6 positivity in the study population
| Factors | Total | KL-6 (+) | KL-6 (–) |
| Age (yr) | |||
| >=50 | 244 | 60 (24) | 184 (75) |
| <50 | 100 | 24(24) | 76 (76) |
| P | NS | ||
| Sex | |||
| Male | 257 | 61 (24) | 196 (76) |
| Female | 87 | 23 (26) | 64 (73) |
| P | NS | ||
| Ethnicity | |||
| Egyptian | 171 | 53 (31) | 118 (69) |
| Japanese | 173 | 31 (18) | 142 (82) |
| P | 0.003 | ||
| Underlying liver | |||
| disease | |||
| HCV-related | 267 | 71 (27) | 196 (73) |
| HBV-related | 42 | 5 (12) | 37 (88) |
| Non-viral | 35 | 8 (23) | 27 (77) |
| P | NS | ||
| Cirrhosis | |||
| (+) | 169 | 46 (27) | 123 (73) |
| (–) | 175 | 38 (22) | 137 (78) |
| P | NS | ||
| Child’s class | |||
| C | 47 | 20 (43) | 27 (57) |
| A&B | 297 | 64 (21) | 233 (78) |
| P | 0.002 | ||
| HCC: | |||
| (+) | 110 | 37 (34) | 73 (66) |
| (–) | 234 | 47 (20) | 187 (80) |
| P | 0.008 | ||
| AFP | |||
| (+) | 145 | 49 (34) | 96 (66) |
| (–) | 199 | 35 (17) | 164 (82) |
| P | <0.001 |