Table 1.

Patient characteristics

	Morphine PCA (n=11)	Ketamine intranasal (n=11)
Men	4	5
Women	7	6
Age (years)	76 (46–93)	68 (38–78)
Weight (kg)	75 (48–100)	74 (66–101)
Height (cm)	168 (155–178)	166 (162–185)
BMI (kg/m2)	24.7 (18.3–33.7)	26.9 (23–33.7)

Note: Values are medians (range).

Abbreviations: PCA, patient-controlled analgesia; BMI, body mass index.