| Variable | Univariable logistic regression | Multivariable logistic regression | OR (95%CI) | | OR (95%CI) | |
| Treatment group | | | | | Group A | Reference | | | | Group B | 1.314 (0.845, 2.043) | 0.225 | 1.009 (0.564, 1.805) | 0.976 | Group C | 2.074 (1.265, 3.401) | 0.004 | 2.589 (1.342, 4.994) | 0.005 | Age (years) | 0.919 (0.896, 0.941) | <0.001 | 0.900 (0.870, 0.931) | <0.001 | Duration of disease (years) | 0.789 (0.671, 0.927) | 0.004 | 1.114 (0.883, 1.406) | 0.363 | Gender | | | | | Male | Reference | | | | Female | 1.320 (0.882, 1.974) | 0.177 | | | Nail thickness (mm) | | | | | <1 | Reference | | | | 1–2 | 0.075 (0.030, 0.191) | <0.001 | 0.24 (0.079, 0.734) | 0.012 | Mean laser energy (J/cm2) | 0.979 (0.967, 0.992) | 0.001 | 0.998 (0.981, 1.015) | 0.836 | Location of infected nails | | | | | Fingernail | Reference | | | | Toenail | 1.285 (0.765, 2.157) | 0.343 | | | Severity of infected nails | | | | | II | Reference | | | | III | 0.108 (0.070, 0.168) | <0.001 | 0.107 (0.052, 0.219) | <0.001 | Clinical type of onychomycosis | | <0.001 | | 0.734 | DLSO | Reference | | | | WSO | 0.644 (0.348, 1.190) | 0.160 | 0.968 (0.441, 2.127) | 0.936 | PSO | 0.187 (0.053, 0.659) | 0.009 | 0.575 (0.124, 2.674) | 0.480 | TDO | 0.367 (0.217, 0.621) | <0.001 | 1.304 (0.576, 2.955) | 0.525 |
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