Multiple Comparisons
Dependent Variable: average change in SpO₂ (100% - 92%) following suxamethonium administration
Tukey HSD
(I) haemoglobin concentration categories	(J) haemoglobin concentration categories	Mean Difference (I-J)	Std. Error	Sig.	95% Confidence Interval
(I) haemoglobin concentration categories	(J) haemoglobin concentration categories	Mean Difference (I-J)	Std. Error	Sig.	Lower Bound	Upper Bound
7 - 9.9 g/dl	10 - 12.9 g/dl	−0:57:40*	0:11:37	0.000	−1:25:23	−0:29:58
7 - 9.9 g/dl	13 - 16 g/dl	−1:05:50*	0:11:42	0.000	−1:33:45	−0:37:55
10 - 12.9 g/dl	7 - 9.9 g/dl	0:57:40*	0:11:37	0.000	0:29:58	1:25:23
10 - 12.9 g/dl	13 - 16 g/dl	−0:08:09	0:11:20	0.752	−0:35:10	0:18:50
13 - 16 g/dl	7 - 9.9 g/dl	1:05:50*	0:11:42	0.000	0:37:55	1:33:45
13 - 16 g/dl	10 - 12.9 g/dl	0:08:09	0:11:20	0.752	−0:18:50	0:35:10