Table 4 Regression Analysis of parameters on blood lead level in workers, unadjusted and adjusted smoking
From: Nerve excitability test and lead toxicity: a case-control study
Univariate analysis | Multivariate analysis | ||||||
|---|---|---|---|---|---|---|---|
p value | R2 (adjusted R2) | Standardized β (95% CI) | p value | R2 (adjusted R2) | Standardized β (95% CI) | ||
NCS | Distal latency (ms) | 0.242 | 0.112 (0.038) | -0.335 (-0.927, 0.258) | 0.216 | 0.225 (-0.120) | -0.431 (-1.163, 0.302) |
MEP | Latency (ms) | 0.176 | 0.147 (0.076) | 0.384 (-0.197, 0.964) | 0.305 | 0.195 (-0.163) | 0.359 (-0.387, 1.106) |
Peak response (mV) | 0.187 | 0.140 (0.068) | 0.374 (-0.209, 0.958) | 0.321 | 0.370 (0.091) | 0.307 (-0.353, 0.967) | |
NET | S1 (TEh 20–40 ms) | 0.094 | 0.216 (0.151) | 0.465 (-1.022, 0.092) | 0.252 | 0.247 (-0.088) | -0.390 (-1.112, 0.331) |
S3 (TEh 90–100 ms) | 0.051 | 0.281 (0.221) | -0.530 (-1.063, 0.003) | 0.237 | 0.482 (0.252) | -0.335 (-0.934, 0.263) | |