χ2 Analysis Protocol Versus Demographics Age Group and Gender
| Standard | Ramped | |||||
| Variable | Value | Count | Percentage | Count | Percentage | P |
| Sex | Male | 386 | 61.6 | 223 | 44.6 | <0.001 |
| Female | 241 | 38.4 | 277 | 55.4 | ||
| Age group | 18–40 | 102 | 16.3 | 18 | 3.6 | <0.001 |
| 41–60 | 409 | 65.2 | 157 | 31.4 | ||
| 61+ | 116 | 18.5 | 325 | 65.0 | ||