Table 1. The viability, apoptosis, mitochondrial membrane potential (MMP), intracellular free Ca²⁺ and Ca²⁺-Mg²⁺-ATPase activity in HL-60 cells.

Group	Viability	Apoptosis	MMP	Intracellular Free Ca2+	Ca2+-Mg2+-ATPase activity
	%	%	(FI*)	(FI)	(U/mgprot)
1. Un-exposed Controls	100±1.5	5.8±1.0	87.6±2.5	18.1±0.9	17.1±0.4
2. Sham-exposed Controls	99.5±2.1	6.2±0.9	87.3±1.9	17.5±1.4	16.7±1.3
3. 900 MHz RF, 12 µW/cm2	98.8±3.1	6.7±1.1	85.3±2.0	21.2±0.7	14.5±1.9
4. 0.125 mg/L DOX	70.2±0.2	21.0±1.4	43.0±1.0	30.3±0.2	6.8±0.3
5. 900 MHz RF, 12 µW/cm2 + DOX	82.8±2.1	17.1±0.8	63.6±1.4	24.1±3.5	10.9±0.3
6. 900 MHz RF, 120 µW/cm2 + DOX	60.7±0.5	-	-	-	-
7. 900 MHz RF, 1200 µW/cm2 + DOX	58.6±0.5	-	-	-	-
Group 1 versus 2	p>0.05	p>0.05	p>0.05	p>0.05	p>0.05
Group 1 versus 3	p>0.05	p>0.05	p>0.05	p<0.05	p<0.05
Group 2 versus 3	p>0.05	p>0.05	p>0.05	p<0.05	p<0.05
Group 1 versus 4	p<0.01	p<0.01	p<0.01	p<0.01	p<0.01
Group 2 versus 4	p<0.01	p<0.01	p<0.01	p<0.01	p<0.01
Group 3 versus 4	p<0.01	p<0.01	p<0.01	p<0.01	p<0.01
Group 4 versus 5	p<0.01	p<0.01	p<0.01	p<0.01	p<0.01

Number of experiments: 2. Data are Mean +/− Standard Deviation.

^*FI: Fluorescence Intensity measured in flow cytometer.