Table 3: Stepwise multiple regression of factors.

The sequence of variables entered R R2 R2
Change
F p Beta(β) Variance
Q9 Pre-op night numbness 0.402 0.162 0.142 8.109 0.007 0.329 16.2%
q1 Pre-op writing 0.548 0.301 0.139 8.818 0.001 -0.639 13.9%
q7 Pre-op carrying grocery bags 0.661 0.437 0.136 10.340 <0.001 0.439 13.6%
Q6 Pre-op daytime numbness 0.708 0.502 0.065 9.822 <0.001 0.261 6.5%

Total explained variance: 50.2% Patient satisfaction at 2 year = 0.329 × Q9 - 0.639 × q1 + 0.439 × q7 + 0.261 × Q6 † p < 0.01 ‡ p < 0.001.

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