Prospective study of recovery from copperhead snake envenomation: an observational study

BMC Emergency Medicine

Table 14 Grip strength: Overall Study Results

	Discharge		Day 3		Day 7		Day 14		Day 21		Day 28
	Median	Range	Median	Range	Median	Range	Median	Range	Median	Range	Median	Range
Strength (kg)	12	UTP, 40	33	2, 57	34	8, 62	38	11, 66	46	12, 70	40	18, 68
Number of subjects unable to complete test	1/10 (10%)		0/10 (0%)		0/9 (0%)		0/9 (0%)		0/10 (0%)		0/10 (0%)

Grip strength, measured in kilograms [27,28]. UTP: Unable to perform test. Data from 10 subjects with upper extremity envenomation except for the Day 7 and Day 14 measurements (n = 9). Higher numbers indicate more strength. The day of envenomation is Day 0.

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