Table 4.

Summary of serum periostin levels of healthy controls between each kit reported previously.

Kit Manufacture	Method	Age	Subject Number	Periostin (ng/mL)
Shino-Test Corp.	ELISA	Children	30	74.0 a) [69.75–80.0] e) [183]
			23	71.0 a) [57.5–80.0] e) [184]
		Adult	113	89.7 b) ± 21.2 c) [185]
			230	66.1 a) (0.14) e) [179]
			11	57.0 a) [39.0–63.0] e) [24]
			25	56 a) [49–63] e) [21]
			66	39.1 b) ± 3.0 d) [27]
R&D Systems	ELISA	Children	20	93.4 a)± 22.3 c) [115]
			60	32.7 b) ± 2.6 d) [186]
		Adult	110	37.4 a) [32.9–48.4] e) [187]
			17	24.6 b) ± 11.3 c) [188]
Biomedica	ELISA	Adult	45	966.9 b) ± 195.4 c) pmol/L [189]
			128	958 pmol/L b) [190]
			24	864 a) ± 269 c) pmol/L [100]
Genentech, Inc.,	ELISA	Adult	44	NS [191]
Roche Diagnostics	ECLIA		480	51.2 a) (11.9) e) [192]
Abbott Laboratories	CLIA	Adult	757	16 b) (5–56) f) [99]
Thermo Fisher Scientific	ELISA	Adult	10	3.72 b) ± 0.33 d) [193]
			10	40.0 b) [30.3–45.0] e) [194]
Cloud-Clone-Corp.	ELISA	Adult	24	1021 a) [807–1941] e) [195]
Bioassay Technology	ELISA	Children	31	23.6 b) ± 7.3 c) [22]
eBioscience	ELISA	Adult	160	21.27 b) ± 3.42 c) [123]
USCN Life Science Inc.	ELISA	Adult	40	299.29 b) ± 42.32  c) [196]

^a) median; ^b) mean; ^c) standard deviation (SD); ^d) standard error (SE); ^e) interquartile ranges; ^f) range; NS, Data not shown