Fig. 3.

Systolic blood pressures (BP) of twelve mountaineers enrolled in the Kilimanjaro Abruzzo Expedition. Systolic BP progressively increased above 3000 m. The highest values have been recorded at altitudes over 4000 m a.s.l. Error bars 95 % confidence intervals. Newman–Keuls post hoc P values (vs. Departure from Moshi) are reported