Table 1. Serial laboratory parameters during clinical progression of nasogastric tube syndrome.

Clinical phase	Haemoglobin (g/L)	White cell count (×10⁹/L)	C-reactive protein (mg/L)
Admission	140	14.1	28
Pre-respiratory symptoms	113	13.0	14
Peak airway compromise	116	20.0	189
Post-airway intervention	100	9.7	30
Recovery phase	122	13.5	8
Pre-discharge	111	8.0	6
Follow-up (2 weeks)	123	6.3	11