Table 2.
Peripheral levels of cytokines and other soluble factors stratified by parity and PM status.*
| Primigravidae | Multigravidae | |||||
| Factor | PM- (n = 166) | PM+ (n = 39) | P | PM- (n = 415) | PM+ (n = 40) | P | 
| TNF | 22.9 [8.3–46.7] | 62.1 [26.3–127.5] | <0.0001 | 18.7 [8.70–37.9] | 57.7 [23.8–84.7] | 0.0002 | 
| TNF- RI | 948 [550–1411] | 1374 [851–2290] | 0.0003 | 812 [481–1249] | 1004 [517–1580] | 0.0978 | 
| TNF- RII | 186 [0–494] | 673 [260–1425] | <0.0001 | 190 [0–403] | 590 [129–959] | <0.0001 | 
| IL-1 | 2.28 [0.72–4.36] | 5.05 [1.70–11.3] | 0.0018 | 2.06 [0.73–4.46] | 3.06 [0.32–7.36] | 0.1409 | 
| IL-4 | 0.0 [0.0-0.0] | 0.0 [0.0-0.0] | 0.7676 | 0.0 [0.0-0.0] | 0.0 [0.0-0.0] | 0.9054 | 
| IL-5 | 1.96 [0.39–4.21] | 1.76 [0.12–3.32] | 0.4215 | 2.09 [0.39–4.09] | 1.90 [0.89–5.89] | 0.3158 | 
| IL-6 | 18.4 [9.26–37.6] | 29.3 [15.0–42.5] | 0.083 | 13.1 [3.75–29.5] | 13.2 [8.83–19.2] | 0.7618 | 
| IL-10 | 5.69 [3.28–11.3] | 23.4 [15.1–62.7] | <0.0001 | 6.12 [2.91–11.6] | 22.2 [13.9–40.3] | <0.0001 | 
| IFN-γ | 0.0 [0.0-0.0] | 0.0 [0.0–3.67] | 0.5083 | 0.0 [0.0-0.0] | 0.0 [0.0-0.0] | 0.6607 | 
| Leptin | 2404 [973–6218] | 1029 [658–4115] | 0.0245 | 2161 [1014–5293] | 1490 [452–5052] | 0.3444 | 
| Ferritin | 14.0 [8.00–32.4] | 62.7 [20.8–144.8] | <0.0001 | 11.6 [6.7–25.9] | 40.4 [19.3–82.0] | <0.0001 | 
*Data are presented as median [interquartile ranges]. P-values were calculated by Mann-Whitney test.