Table 2

Characteristics and parameters of TK/TD relationships regarding the rate of glucose infusion versus insulin concentrations in six deliberate insulin intoxications

Patient
Sex/age (years)
Diabetes
Insulin type/dose
Delay to initial therapy (hours)
Lowest blood glucose level (mmol/l)
Emax (g/h)
EC50 (mU/l)
Cmax (mIU/l)
R2
T1/2 (hours)
Outcome

1
Male/60
Type 1
Rapid-acting/500 IU
2.0
0.8
17.5
667
1,853
0.98
3.5
Alive
2
Female/40
Type 1
30% rapid-acting/70% slow-acting/120 IU
0.8
0.8
36
35
151
0.91
4.0
Alive
3
Female/52
Type 2
Slow-acting/1,500 IU
2.6
2.0
119.9
42
704
0.71
11.7
Alive
4
Female/45
Nondiabetic
Rapid-acting/100 IU
0.3
1.1
23.1
161
9,053
0.88
0.8
Alive
5
Male/16
Nondiabetic
Slow-acting/1,500 IU
1.5
2.5
41.1
50
5,740
0.70
4.6
Alive
6
Female/60
Nondiabetic
Rapid-acting/1,200 IU
1.0
1.7
14.6
12
197
0.79
1.5
Alive

Cmax, maximal observed concentration; EC50, concentration associated with half-maximal effect; Emax, maximum possible measured glucose infusion rate; R2, correlation coefficient for the TK/TD model; T1/2, half-life; TK/TD, toxicokinetic/toxicodynamic.

Mégarbane et al. Critical Care 2007 11:R115   doi:10.1186/cc6168