Using the data in Table 11.4 calculate the missing hazard ratio value for cell YYYY (the PIG vs PEG variable/row).

A. 0.45 B. 0.88 C. 1.00 D. 1.41 E. 2.20

Table 11.4

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Variable Gastrostomy insertion method B SE(B) z P-value Ratio Hazard HR 95% CI Lower Upper RIG (vs PEG) -0.343 0.282 -1.219 PIG (vs PEG) 0.343 0.329 Age at onset (years) 0.223 WWWW XXXX 0.032 0.013 2.491 0.013 1.03 0.71 YYYY 0.41 1.23 ZZ ZZZZ 1.01 1.06 Site of symptom onset (1=limb, 2 bulbar) Forced vital capacity (litres) Weight loss (% from diagnosis)2 -0.045 0.014 -3.205 ALSFRS-R monthly decline rate3 0.086 0.061 1.424 -0.199 0.279-0.714 0.475 0.82 0.47 1.42 -0.010 0.005 -1.805 0.071 0.99 0.98 1.00 0.001 0.96 0.93 0.98 0.155 1.09 0.97 1.23