Establishment of Reference Norms for Lung Function Parameters of Healthy Sri Lankan Tamils

Table 11

Comparison of lung function parameters of adults of different ethnic group.

Ethnicity	Males (predicted for 45 years, 170 cm height)					Females (predicted for 45 years age, 160 cm height)
	VC	FVC	FEV1	FEV1%	PEFR	VC	FVC	FEV1	FEV1%	PEFR
Present study	3.33	3.52	2.98		461.27	2.37	2.48	2.16		319.18
Sinhalese [7]		3.5	2.85		571.44		2.27	2.03		400.74
Calcutta [18, 19]	3.70	3.73	2.99	78.77	527.51	2.23	2.30	1.89	75.25	399.40
South Indians [20]		3.68	3.03	77.88			2.71	2.26	79.29
North Indians [21]			3.05				3.34	2.49	77.38
Pakistanian [22]		3.80	2.86				2.72	1.98
Malaysian [23]		3.22	2.88				2.35	2.08
Chinese [6]		3.95	3.22				2.86	2.35
Brazilian [24]		4.02	3.35	82.13	478.51		3.03	2.54	84.16	359.80
Jordanian [25]		4.78	3.92				3.49	2.8
Canadian [26]		4.63	3.67	79.25			3.42	2.76	80.29
GLI 2012 [10]		3.98	2.57	74.00			2.32	1.92	74.00