Table 2:

Body Composition, Spirometry & Hemoglobin data by Fibrosis stage.

Anthropometries	Overall	Stage 0	Stage 1	Stage 2	Stage 3	P-value
Body Mass Index (kg/m²)	34.0	31.4	34.0	34.4	36.1	0.58
Body Mass Index (kg/m²)	(31.1–38.8)	(27.6–39.2)	(31.1–45.1)	(28.8–43.0)	(31.1–38.0)

Body Weight (kg)	91.9	77.3	94.4	90.7	98.2	0.33
	(80.6–116.9)	(70.3–121.4)	(81.9–123.1)	(82.7–120.2)	(84.9–113.7)

Fat Mass (%)	39.1	38.6	44.0	44.5	35.7	0.92
	(33.8–45.9)	(31.6–44.1)	(29.7–47.4)	31.5–47.3)	(35.3–43.4)

Fat Free Mass (%)	60.9	61.4	56.0	55.6	64.4	0.89
	(54.1–68.0)	(55.9–68.4)	(52.7–70.3)	(52.7–68.5)	(56.7–67.6)

Spirometry Parameters

Forced Vital Capacity (Liters)	3.14	3.48	3.05	3.14	3.31	0.57
Forced Vital Capacity (Liters)	(2.82–3.87)	(3.10–3.85)	(2.58–3.47)	(3.10–3.14)	(2.35–4.22)

Forced Vital Capacity (%)	91	97	90	91	91	0.14
Forced Vital Capacity (%)	(85–98)	(92–101)	(80–98)	(86–91)	(83–92)

Forced Expiratory Volume-1^second (Liters)	2.59	2.77	2.48	2.57	2.65	0.61
Forced Expiratory Volume-1^second (Liters)	(2.25–3.07)	(2.53–3.16)	(2.21–2.82)	(2.49–2.57)	(1.83–3.19)

Forced Expiratory Volume-l^second (%)	94	99	90	95	93	0.25
Forced Expiratory Volume-l^second (%)	(86–100)	(94–105)	(82–106)	(86–95)	(84–96)

FEV1/FVC ratio	0.80	0.82	0.81	0.79	0.79	0.44
	(0.78–0.83)	(0.79–0.82)	(0.76–0.85)	(0.72–0.79)	(0.77–0.82)

Maximal Voluntary Ventilation (Liters/min)	97.8	94.1	99.9	104.1	104.6	0.38
Maximal Voluntary Ventilation (Liters/min)	(80.1–123.1)	(76.8–111.2)	(82.4–121.2)	(90.5–141.8)	(74.8–127.8)

Maximal Voluntary Ventilation (%)	93	89	99	108	105	0.37
Maximal Voluntary Ventilation (%)	(84–111)	(82–90)	(89–113)	(88–121)	(75–128)

Breathing Reserve (%)	39	34	39	42	46	0.07
	(28–49)	(12–41)	(17–45)	(32–56)	(32–59)

Oxygen Carrying Capacity of Blood

Hemoglobin (g/dL)		13.9	13.6	14.3	13.0	0.57
		(13.3–16.7)	(12.7–15.6)	(13.6–14.3)	(12.4–13.7)

Abbreviations: kg/m²=kilograms per meter squared; %=percent; FVC=forced vital capacity; FEVl=forced expiratory volume in 1-second; g/dL=grams per deciliter.