Table 5.
Comparison between ergonomic practice and CVS.
| Cases | Noncases | Total | χ | p value | |
|---|---|---|---|---|---|
| Poor practice | 93 (90.3) | 66 (68.0) | 159 (79.5) | 15.175 | 0.001 |
| Good practice | 10 (9.7) | 31 (32.0) | 41 (20.5) | ||
| Total | 103 (100) | 97 (100) | 200 (100) |
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