Table 3.

Analysis of numbness as a recorded risk in the consent procedure with subjective numbness

Numbness mentioned in clinical record × Numbness cross-tabulation
			Numbness		Total
			No	Yes
Numbness mentioned in clinical record	No	Count	60	17	77
		Within Numbness mentioned in clinical record	77.9%	22.1%	100.0%
		Within Numbness	95.2%	68.0%	87.5%
	Yes	Count	3	8	11
		Within Numbness mentioned in clinical record	27.3%	72.7%	100.0%
		Within Numbness	4.8%	32.0%	12.5%
Total		Count	63	25	88
		Within Numbness mentioned in clinical record	71.6%	28.4%	100.0%
		Within Numbness	100.0%	100.0%	100.0%

Test statistics (McNemar’s test)
	Numbness and Numbness mentioned in clinical record
n	88
p-value (2-tailed)	0.003 (binomial distribution)

Numbness and Numbness mentioned in clinical record
Numbness	Numbness mentioned in clinical record
	No	Yes
No	60	3
Yes	17	8