OnPlayerConnect(playerid)
{
    SetTimerEx("LoadStats", 5000, false, "i", playerid); // A 5 second timer..
    SendClientMessage(playerid, COLOR, "Welcome, wait till loading your stats etc..");
    return 1;
}

forward LoadStats(iPlayer); // 'iPlayer' refers to the player on which we called the timer
public LoadStats(iPlayer)
{
    LoadPlayerInfo(iPlayer); // However you load your stats, mine load from a stock, hence the single line
    SendClientMessage(iPlayer, COLOR, "Your stats have been loaded!");
    return 1;
}